131231646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:850

約数の個数: 96

約数和(自身を含む): 353545920

約数和(自身を除く): 222314274

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 113, 117, 126, 182, 226, 234, 273, 339, 546, 678, 709, 791, 819, 1017, 1418, 1469, 1582, 1638, 2034, 2127, 2373, 2938, 4254, 4407, 4746, 4963, 6381, 7119, 8814, 9217, 9926, 10283, 12762, 13221, 14238, 14889, 18434, 20566, 26442, 27651, 29778, 30849, 44667, 55302, 61698, 64519, 80117, 82953, 89334, 92547, 129038, 160234, 165906, 185094, 193557, 240351, 387114, 480702, 560819, 580671, 721053, 1041521, 1121638, 1161342, 1442106, 1682457, 2083042, 3124563, 3364914, 5047371, 6249126, 7290647, 9373689, 10094742, 14581294, 18747378, 21871941, 43743882, 65615823, 131231646]

約数ペア:

[(1, 131231646), (2, 65615823), (3, 43743882), (6, 21871941), (7, 18747378), (9, 14581294), (13, 10094742), (14, 9373689), (18, 7290647), (21, 6249126), (26, 5047371), (39, 3364914), (42, 3124563), (63, 2083042), (78, 1682457), (91, 1442106), (113, 1161342), (117, 1121638), (126, 1041521), (182, 721053), (226, 580671), (234, 560819), (273, 480702), (339, 387114), (546, 240351), (678, 193557), (709, 185094), (791, 165906), (819, 160234), (1017, 129038), (1418, 92547), (1469, 89334), (1582, 82953), (1638, 80117), (2034, 64519), (2127, 61698), (2373, 55302), (2938, 44667), (4254, 30849), (4407, 29778), (4746, 27651), (4963, 26442), (6381, 20566), (7119, 18434), (8814, 14889), (9217, 14238), (9926, 13221), (10283, 12762)]