81718210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{10331}}^1$

素因数の和:10458

約数の個数: 32

約数和(自身を含む): 169610112

約数和(自身を除く): 87891902

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 7910, 10331, 20662, 51655, 72317, 103310, 144634, 361585, 723170, 1167403, 2334806, 5837015, 8171821, 11674030, 16343642, 40859105, 81718210]

約数ペア:

[(1, 81718210), (2, 40859105), (5, 16343642), (7, 11674030), (10, 8171821), (14, 5837015), (35, 2334806), (70, 1167403), (113, 723170), (226, 361585), (565, 144634), (791, 103310), (1130, 72317), (1582, 51655), (3955, 20662), (7910, 10331)]