123956456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{62731}}^1$

素因数の和:62769

約数の個数: 32

約数和(自身を含む): 263474400

約数和(自身を除く): 139517944

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 62731, 125462, 250924, 501848, 815503, 1191889, 1631006, 2383778, 3262012, 4767556, 6524024, 9535112, 15494557, 30989114, 61978228, 123956456]

約数ペア:

[(1, 123956456), (2, 61978228), (4, 30989114), (8, 15494557), (13, 9535112), (19, 6524024), (26, 4767556), (38, 3262012), (52, 2383778), (76, 1631006), (104, 1191889), (152, 815503), (247, 501848), (494, 250924), (988, 125462), (1976, 62731)]