890430541

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 1240436736

約数和(自身を除く): 350006195

約数列:

[1, 7, 11, 13, 43, 77, 91, 137, 143, 151, 301, 473, 559, 959, 1001, 1057, 1507, 1661, 1781, 1963, 3311, 3913, 5891, 6149, 6493, 10549, 11627, 12467, 13741, 19591, 20687, 21593, 41237, 43043, 45451, 64801, 71423, 76583, 84409, 137137, 144809, 151151, 227557, 268931, 453607, 499961, 536081, 590863, 842413, 889541, 928499, 1592899, 1882517, 2958241, 5896891, 6226787, 6499493, 9784951, 11564033, 20707687, 68494657, 80948231, 127204363, 890430541]

約数ペア:

[(1, 890430541), (7, 127204363), (11, 80948231), (13, 68494657), (43, 20707687), (77, 11564033), (91, 9784951), (137, 6499493), (143, 6226787), (151, 5896891), (301, 2958241), (473, 1882517), (559, 1592899), (959, 928499), (1001, 889541), (1057, 842413), (1507, 590863), (1661, 536081), (1781, 499961), (1963, 453607), (3311, 268931), (3913, 227557), (5891, 151151), (6149, 144809), (6493, 137137), (10549, 84409), (11627, 76583), (12467, 71423), (13741, 64801), (19591, 45451), (20687, 43043), (21593, 41237)]