28856412

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 180

約数和(自身を含む): 89280576

約数和(自身を除く): 60424164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 31, 34, 36, 39, 51, 52, 54, 62, 68, 78, 81, 93, 102, 108, 117, 124, 153, 156, 162, 169, 186, 204, 221, 234, 279, 306, 324, 338, 351, 372, 403, 442, 459, 468, 507, 527, 558, 612, 663, 676, 702, 806, 837, 884, 918, 1014, 1053, 1054, 1116, 1209, 1326, 1377, 1404, 1521, 1581, 1612, 1674, 1836, 1989, 2028, 2106, 2108, 2418, 2511, 2652, 2754, 2873, 3042, 3162, 3348, 3627, 3978, 4212, 4563, 4743, 4836, 5022, 5239, 5508, 5746, 5967, 6084, 6324, 6851, 7254, 7956, 8619, 9126, 9486, 10044, 10478, 10881, 11492, 11934, 13689, 13702, 14229, 14508, 15717, 17238, 17901, 18252, 18972, 20553, 20956, 21762, 23868, 25857, 27378, 27404, 28458, 31434, 32643, 34476, 35802, 41106, 42687, 43524, 47151, 51714, 54756, 56916, 61659, 62868, 65286, 71604, 77571, 82212, 85374, 89063, 94302, 103428, 123318, 130572, 141453, 155142, 170748, 178126, 184977, 188604, 232713, 246636, 267189, 282906, 310284, 356252, 369954, 424359, 465426, 534378, 554931, 565812, 739908, 801567, 848718, 930852, 1068756, 1109862, 1603134, 1697436, 2219724, 2404701, 3206268, 4809402, 7214103, 9618804, 14428206, 28856412]

約数ペア:

[(1, 28856412), (2, 14428206), (3, 9618804), (4, 7214103), (6, 4809402), (9, 3206268), (12, 2404701), (13, 2219724), (17, 1697436), (18, 1603134), (26, 1109862), (27, 1068756), (31, 930852), (34, 848718), (36, 801567), (39, 739908), (51, 565812), (52, 554931), (54, 534378), (62, 465426), (68, 424359), (78, 369954), (81, 356252), (93, 310284), (102, 282906), (108, 267189), (117, 246636), (124, 232713), (153, 188604), (156, 184977), (162, 178126), (169, 170748), (186, 155142), (204, 141453), (221, 130572), (234, 123318), (279, 103428), (306, 94302), (324, 89063), (338, 85374), (351, 82212), (372, 77571), (403, 71604), (442, 65286), (459, 62868), (468, 61659), (507, 56916), (527, 54756), (558, 51714), (612, 47151), (663, 43524), (676, 42687), (702, 41106), (806, 35802), (837, 34476), (884, 32643), (918, 31434), (1014, 28458), (1053, 27404), (1054, 27378), (1116, 25857), (1209, 23868), (1326, 21762), (1377, 20956), (1404, 20553), (1521, 18972), (1581, 18252), (1612, 17901), (1674, 17238), (1836, 15717), (1989, 14508), (2028, 14229), (2106, 13702), (2108, 13689), (2418, 11934), (2511, 11492), (2652, 10881), (2754, 10478), (2873, 10044), (3042, 9486), (3162, 9126), (3348, 8619), (3627, 7956), (3978, 7254), (4212, 6851), (4563, 6324), (4743, 6084), (4836, 5967), (5022, 5746), (5239, 5508)]