1279227590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{8539}}^1$

素因数の和:8828

約数の個数: 32

約数和(自身を含む): 2346382080

約数和(自身を除く): 1067154490

約数列:

[1, 2, 5, 10, 71, 142, 211, 355, 422, 710, 1055, 2110, 8539, 14981, 17078, 29962, 42695, 74905, 85390, 149810, 606269, 1212538, 1801729, 3031345, 3603458, 6062690, 9008645, 18017290, 127922759, 255845518, 639613795, 1279227590]

約数ペア:

[(1, 1279227590), (2, 639613795), (5, 255845518), (10, 127922759), (71, 18017290), (142, 9008645), (211, 6062690), (355, 3603458), (422, 3031345), (710, 1801729), (1055, 1212538), (2110, 606269), (8539, 149810), (14981, 85390), (17078, 74905), (29962, 42695)]