386620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 874944

約数和(自身を除く): 488324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1487, 2974, 5948, 7435, 14870, 19331, 29740, 38662, 77324, 96655, 193310, 386620]

約数ペア:

[(1, 386620), (2, 193310), (4, 96655), (5, 77324), (10, 38662), (13, 29740), (20, 19331), (26, 14870), (52, 7435), (65, 5948), (130, 2974), (260, 1487)]