261648912

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{778717}}^1$

素因数の和:778735

約数の個数: 40

約数和(自身を含む): 772488256

約数和(自身を除く): 510839344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 778717, 1557434, 2336151, 3114868, 4672302, 5451019, 6229736, 9344604, 10902038, 12459472, 16353057, 18689208, 21804076, 32706114, 37378416, 43608152, 65412228, 87216304, 130824456, 261648912]

約数ペア:

[(1, 261648912), (2, 130824456), (3, 87216304), (4, 65412228), (6, 43608152), (7, 37378416), (8, 32706114), (12, 21804076), (14, 18689208), (16, 16353057), (21, 12459472), (24, 10902038), (28, 9344604), (42, 6229736), (48, 5451019), (56, 4672302), (84, 3114868), (112, 2336151), (168, 1557434), (336, 778717)]