1638890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 3297024

約数和(自身を除く): 1658134

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 235, 317, 470, 517, 634, 1034, 1585, 2585, 3170, 3487, 5170, 6974, 14899, 17435, 29798, 34870, 74495, 148990, 163889, 327778, 819445, 1638890]

約数ペア:

[(1, 1638890), (2, 819445), (5, 327778), (10, 163889), (11, 148990), (22, 74495), (47, 34870), (55, 29798), (94, 17435), (110, 14899), (235, 6974), (317, 5170), (470, 3487), (517, 3170), (634, 2585), (1034, 1585)]