397393904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{6113}}^1$

素因数の和:6377

約数の個数: 40

約数和(自身を含む): 818786880

約数和(自身を除く): 421392976

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 478, 956, 1912, 3824, 4063, 6113, 8126, 12226, 16252, 24452, 32504, 48904, 65008, 97808, 103921, 207842, 415684, 831368, 1461007, 1662736, 2922014, 5844028, 11688056, 23376112, 24837119, 49674238, 99348476, 198696952, 397393904]

約数ペア:

[(1, 397393904), (2, 198696952), (4, 99348476), (8, 49674238), (16, 24837119), (17, 23376112), (34, 11688056), (68, 5844028), (136, 2922014), (239, 1662736), (272, 1461007), (478, 831368), (956, 415684), (1912, 207842), (3824, 103921), (4063, 97808), (6113, 65008), (8126, 48904), (12226, 32504), (16252, 24452)]