678889730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3993469}}^1$

素因数の和:3993493

約数の個数: 16

約数和(自身を含む): 1293884280

約数和(自身を除く): 614994550

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3993469, 7986938, 19967345, 39934690, 67888973, 135777946, 339444865, 678889730]

約数ペア:

[(1, 678889730), (2, 339444865), (5, 135777946), (10, 67888973), (17, 39934690), (34, 19967345), (85, 7986938), (170, 3993469)]