31179304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 68544000

約数和(自身を除く): 37364696

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 509, 589, 806, 988, 1018, 1178, 1612, 1976, 2036, 2356, 3224, 4072, 4712, 6617, 7657, 9671, 13234, 15314, 15779, 19342, 26468, 30628, 31558, 38684, 52936, 61256, 63116, 77368, 125723, 126232, 205127, 251446, 299801, 410254, 502892, 599602, 820508, 1005784, 1199204, 1641016, 2398408, 3897413, 7794826, 15589652, 31179304]

約数ペア:

[(1, 31179304), (2, 15589652), (4, 7794826), (8, 3897413), (13, 2398408), (19, 1641016), (26, 1199204), (31, 1005784), (38, 820508), (52, 599602), (62, 502892), (76, 410254), (104, 299801), (124, 251446), (152, 205127), (247, 126232), (248, 125723), (403, 77368), (494, 63116), (509, 61256), (589, 52936), (806, 38684), (988, 31558), (1018, 30628), (1178, 26468), (1612, 19342), (1976, 15779), (2036, 15314), (2356, 13234), (3224, 9671), (4072, 7657), (4712, 6617)]