389631190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{230551}}^1$

素因数の和:230584

約数の個数: 24

約数和(自身を含む): 759438288

約数和(自身を除く): 369807098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 230551, 461102, 1152755, 2305510, 2997163, 5994326, 14985815, 29971630, 38963119, 77926238, 194815595, 389631190]

約数ペア:

[(1, 389631190), (2, 194815595), (5, 77926238), (10, 38963119), (13, 29971630), (26, 14985815), (65, 5994326), (130, 2997163), (169, 2305510), (338, 1152755), (845, 461102), (1690, 230551)]