261307496

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{50957}}^1$

素因数の和:51604

約数の個数: 16

約数和(自身を含む): 490725540

約数和(自身を除く): 229418044

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 50957, 101914, 203828, 407656, 32663437, 65326874, 130653748, 261307496]

約数ペア:

[(1, 261307496), (2, 130653748), (4, 65326874), (8, 32663437), (641, 407656), (1282, 203828), (2564, 101914), (5128, 50957)]