12397990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 24948000

約数和(自身を除く): 12550010

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 2749, 4510, 5498, 13745, 27490, 30239, 60478, 112709, 151195, 225418, 302390, 563545, 1127090, 1239799, 2479598, 6198995, 12397990]

約数ペア:

[(1, 12397990), (2, 6198995), (5, 2479598), (10, 1239799), (11, 1127090), (22, 563545), (41, 302390), (55, 225418), (82, 151195), (110, 112709), (205, 60478), (410, 30239), (451, 27490), (902, 13745), (2255, 5498), (2749, 4510)]