408928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1006

約数の個数: 24

約数和(自身を含む): 867888

約数和(自身を除く): 458960

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 983, 1966, 3932, 7864, 12779, 15728, 25558, 31456, 51116, 102232, 204464, 408928]

約数ペア:

[(1, 408928), (2, 204464), (4, 102232), (8, 51116), (13, 31456), (16, 25558), (26, 15728), (32, 12779), (52, 7864), (104, 3932), (208, 1966), (416, 983)]