131405710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{4243}}^1$

素因数の和:4432

約数の個数: 32

約数和(自身を含む): 250565760

約数和(自身を除く): 119160050

約数列:

[1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 815, 1630, 3097, 4243, 6194, 8486, 15485, 21215, 30970, 42430, 80617, 161234, 403085, 691609, 806170, 1383218, 3458045, 6916090, 13140571, 26281142, 65702855, 131405710]

約数ペア:

[(1, 131405710), (2, 65702855), (5, 26281142), (10, 13140571), (19, 6916090), (38, 3458045), (95, 1383218), (163, 806170), (190, 691609), (326, 403085), (815, 161234), (1630, 80617), (3097, 42430), (4243, 30970), (6194, 21215), (8486, 15485)]