788658910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{195697}}^1$

素因数の和:195748

約数の個数: 32

約数和(自身を含む): 1578108672

約数和(自身を除く): 789449762

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 195697, 391394, 978485, 1956970, 2544061, 5088122, 6066607, 12133214, 12720305, 25440610, 30333035, 60666070, 78865891, 157731782, 394329455, 788658910]

約数ペア:

[(1, 788658910), (2, 394329455), (5, 157731782), (10, 78865891), (13, 60666070), (26, 30333035), (31, 25440610), (62, 12720305), (65, 12133214), (130, 6066607), (155, 5088122), (310, 2544061), (403, 1956970), (806, 978485), (2015, 391394), (4030, 195697)]