12990614

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 24204096

約数和(自身を除く): 11213482

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 182, 274, 521, 959, 1042, 1781, 1918, 3562, 3647, 6773, 7294, 12467, 13546, 24934, 47411, 71377, 94822, 142754, 499639, 927901, 999278, 1855802, 6495307, 12990614]

約数ペア:

[(1, 12990614), (2, 6495307), (7, 1855802), (13, 999278), (14, 927901), (26, 499639), (91, 142754), (137, 94822), (182, 71377), (274, 47411), (521, 24934), (959, 13546), (1042, 12467), (1781, 7294), (1918, 6773), (3562, 3647)]