647673412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{2137}}^1\times {\mathrm{4457}}^1$

素因数の和:6615

約数の個数: 24

約数和(自身を含む): 1200931704

約数和(自身を除く): 553258292

約数列:

[1, 2, 4, 17, 34, 68, 2137, 4274, 4457, 8548, 8914, 17828, 36329, 72658, 75769, 145316, 151538, 303076, 9524609, 19049218, 38098436, 161918353, 323836706, 647673412]

約数ペア:

[(1, 647673412), (2, 323836706), (4, 161918353), (17, 38098436), (34, 19049218), (68, 9524609), (2137, 303076), (4274, 151538), (4457, 145316), (8548, 75769), (8914, 72658), (17828, 36329)]