311385204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 887111680

約数和(自身を除く): 575726476

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 127, 156, 169, 186, 234, 254, 279, 338, 372, 381, 403, 468, 507, 508, 558, 676, 762, 806, 1014, 1116, 1143, 1209, 1521, 1524, 1612, 1651, 2028, 2197, 2286, 2418, 3042, 3302, 3627, 3937, 4394, 4572, 4836, 4953, 5239, 6084, 6591, 6604, 7254, 7874, 8788, 9906, 10478, 11811, 13182, 14508, 14859, 15717, 15748, 19773, 19812, 20956, 21463, 23622, 26364, 29718, 31434, 35433, 39546, 42926, 47151, 47244, 51181, 59436, 62868, 64389, 68107, 70866, 79092, 85852, 94302, 102362, 128778, 136214, 141732, 153543, 188604, 193167, 204321, 204724, 257556, 272428, 279019, 307086, 386334, 408642, 460629, 558038, 612963, 614172, 665353, 772668, 817284, 837057, 921258, 1116076, 1225926, 1330706, 1674114, 1842516, 1996059, 2451852, 2511171, 2661412, 3348228, 3992118, 5022342, 5988177, 7984236, 8649589, 10044684, 11976354, 17299178, 23952708, 25948767, 34598356, 51897534, 77846301, 103795068, 155692602, 311385204]

約数ペア:

[(1, 311385204), (2, 155692602), (3, 103795068), (4, 77846301), (6, 51897534), (9, 34598356), (12, 25948767), (13, 23952708), (18, 17299178), (26, 11976354), (31, 10044684), (36, 8649589), (39, 7984236), (52, 5988177), (62, 5022342), (78, 3992118), (93, 3348228), (117, 2661412), (124, 2511171), (127, 2451852), (156, 1996059), (169, 1842516), (186, 1674114), (234, 1330706), (254, 1225926), (279, 1116076), (338, 921258), (372, 837057), (381, 817284), (403, 772668), (468, 665353), (507, 614172), (508, 612963), (558, 558038), (676, 460629), (762, 408642), (806, 386334), (1014, 307086), (1116, 279019), (1143, 272428), (1209, 257556), (1521, 204724), (1524, 204321), (1612, 193167), (1651, 188604), (2028, 153543), (2197, 141732), (2286, 136214), (2418, 128778), (3042, 102362), (3302, 94302), (3627, 85852), (3937, 79092), (4394, 70866), (4572, 68107), (4836, 64389), (4953, 62868), (5239, 59436), (6084, 51181), (6591, 47244), (6604, 47151), (7254, 42926), (7874, 39546), (8788, 35433), (9906, 31434), (10478, 29718), (11811, 26364), (13182, 23622), (14508, 21463), (14859, 20956), (15717, 19812), (15748, 19773)]