1628793010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{404167}}^1$

素因数の和:404218

約数の個数: 32

約数和(自身を含む): 3259210752

約数和(自身を除く): 1630417742

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 404167, 808334, 2020835, 4041670, 5254171, 10508342, 12529177, 25058354, 26270855, 52541710, 62645885, 125291770, 162879301, 325758602, 814396505, 1628793010]

約数ペア:

[(1, 1628793010), (2, 814396505), (5, 325758602), (10, 162879301), (13, 125291770), (26, 62645885), (31, 52541710), (62, 26270855), (65, 25058354), (130, 12529177), (155, 10508342), (310, 5254171), (403, 4041670), (806, 2020835), (2015, 808334), (4030, 404167)]