81170648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 179262720

約数和(自身を除く): 98092072

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 806, 884, 1054, 1481, 1612, 1768, 2108, 2962, 3224, 4216, 5924, 6851, 11848, 13702, 19253, 25177, 27404, 38506, 45911, 50354, 54808, 77012, 91822, 100708, 154024, 183644, 201416, 327301, 367288, 596843, 654602, 780487, 1193686, 1309204, 1560974, 2387372, 2618408, 3121948, 4774744, 6243896, 10146331, 20292662, 40585324, 81170648]

約数ペア:

[(1, 81170648), (2, 40585324), (4, 20292662), (8, 10146331), (13, 6243896), (17, 4774744), (26, 3121948), (31, 2618408), (34, 2387372), (52, 1560974), (62, 1309204), (68, 1193686), (104, 780487), (124, 654602), (136, 596843), (221, 367288), (248, 327301), (403, 201416), (442, 183644), (527, 154024), (806, 100708), (884, 91822), (1054, 77012), (1481, 54808), (1612, 50354), (1768, 45911), (2108, 38506), (2962, 27404), (3224, 25177), (4216, 19253), (5924, 13702), (6851, 11848)]