389212790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{17477}}^1$

素因数の和:17632

約数の個数: 32

約数和(自身を含む): 747499104

約数和(自身を除く): 358286314

約数列:

[1, 2, 5, 10, 17, 34, 85, 131, 170, 262, 655, 1310, 2227, 4454, 11135, 17477, 22270, 34954, 87385, 174770, 297109, 594218, 1485545, 2289487, 2971090, 4578974, 11447435, 22894870, 38921279, 77842558, 194606395, 389212790]

約数ペア:

[(1, 389212790), (2, 194606395), (5, 77842558), (10, 38921279), (17, 22894870), (34, 11447435), (85, 4578974), (131, 2971090), (170, 2289487), (262, 1485545), (655, 594218), (1310, 297109), (2227, 174770), (4454, 87385), (11135, 34954), (17477, 22270)]