81788044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 79088756

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 113, 124, 226, 403, 449, 452, 806, 898, 1469, 1612, 1796, 2938, 3503, 5837, 5876, 7006, 11674, 13919, 14012, 23348, 27838, 45539, 50737, 55676, 91078, 101474, 180947, 182156, 202948, 361894, 659581, 723788, 1319162, 1572847, 2638324, 3145694, 6291388, 20447011, 40894022, 81788044]

約数ペア:

[(1, 81788044), (2, 40894022), (4, 20447011), (13, 6291388), (26, 3145694), (31, 2638324), (52, 1572847), (62, 1319162), (113, 723788), (124, 659581), (226, 361894), (403, 202948), (449, 182156), (452, 180947), (806, 101474), (898, 91078), (1469, 55676), (1612, 50737), (1796, 45539), (2938, 27838), (3503, 23348), (5837, 14012), (5876, 13919), (7006, 11674)]