128427730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{414283}}^1$

素因数の和:414321

約数の個数: 16

約数和(自身を含む): 238627584

約数和(自身を除く): 110199854

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 414283, 828566, 2071415, 4142830, 12842773, 25685546, 64213865, 128427730]

約数ペア:

[(1, 128427730), (2, 64213865), (5, 25685546), (10, 12842773), (31, 4142830), (62, 2071415), (155, 828566), (310, 414283)]