991728738

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2670

約数の個数: 192

約数和(自身を含む): 3012992640

約数和(自身を除く): 2021263902

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 49, 54, 63, 66, 77, 78, 91, 98, 99, 117, 126, 143, 147, 154, 182, 189, 198, 231, 234, 273, 286, 294, 297, 351, 378, 429, 441, 462, 539, 546, 594, 637, 693, 702, 819, 858, 882, 1001, 1078, 1274, 1287, 1323, 1386, 1617, 1638, 1911, 2002, 2079, 2457, 2574, 2621, 2646, 3003, 3234, 3822, 3861, 4158, 4851, 4914, 5242, 5733, 6006, 7007, 7722, 7863, 9009, 9702, 11466, 14014, 14553, 15726, 17199, 18018, 18347, 21021, 23589, 27027, 28831, 29106, 34073, 34398, 36694, 42042, 47178, 54054, 55041, 57662, 63063, 68146, 70767, 86493, 102219, 110082, 126126, 128429, 141534, 165123, 172986, 189189, 201817, 204438, 238511, 256858, 259479, 306657, 330246, 374803, 378378, 385287, 403634, 477022, 495369, 518958, 605451, 613314, 715533, 749606, 770574, 778437, 919971, 990738, 1124409, 1155861, 1210902, 1412719, 1431066, 1556874, 1669577, 1816353, 1839942, 2146599, 2248818, 2311722, 2623621, 2825438, 3339154, 3373227, 3467583, 3632706, 4238157, 4293198, 5008731, 5247242, 5449059, 6439797, 6746454, 6935166, 7870863, 8476314, 10017462, 10119681, 10898118, 12714471, 12879594, 15026193, 15741726, 18365347, 20239362, 23612589, 25428942, 30052386, 36730694, 38143413, 45078579, 47225178, 55096041, 70837767, 76286826, 90157158, 110192082, 141675534, 165288123, 330576246, 495864369, 991728738]

約数ペア:

[(1, 991728738), (2, 495864369), (3, 330576246), (6, 165288123), (7, 141675534), (9, 110192082), (11, 90157158), (13, 76286826), (14, 70837767), (18, 55096041), (21, 47225178), (22, 45078579), (26, 38143413), (27, 36730694), (33, 30052386), (39, 25428942), (42, 23612589), (49, 20239362), (54, 18365347), (63, 15741726), (66, 15026193), (77, 12879594), (78, 12714471), (91, 10898118), (98, 10119681), (99, 10017462), (117, 8476314), (126, 7870863), (143, 6935166), (147, 6746454), (154, 6439797), (182, 5449059), (189, 5247242), (198, 5008731), (231, 4293198), (234, 4238157), (273, 3632706), (286, 3467583), (294, 3373227), (297, 3339154), (351, 2825438), (378, 2623621), (429, 2311722), (441, 2248818), (462, 2146599), (539, 1839942), (546, 1816353), (594, 1669577), (637, 1556874), (693, 1431066), (702, 1412719), (819, 1210902), (858, 1155861), (882, 1124409), (1001, 990738), (1078, 919971), (1274, 778437), (1287, 770574), (1323, 749606), (1386, 715533), (1617, 613314), (1638, 605451), (1911, 518958), (2002, 495369), (2079, 477022), (2457, 403634), (2574, 385287), (2621, 378378), (2646, 374803), (3003, 330246), (3234, 306657), (3822, 259479), (3861, 256858), (4158, 238511), (4851, 204438), (4914, 201817), (5242, 189189), (5733, 172986), (6006, 165123), (7007, 141534), (7722, 128429), (7863, 126126), (9009, 110082), (9702, 102219), (11466, 86493), (14014, 70767), (14553, 68146), (15726, 63063), (17199, 57662), (18018, 55041), (18347, 54054), (21021, 47178), (23589, 42042), (27027, 36694), (28831, 34398), (29106, 34073)]