129492890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{417719}}^1$

素因数の和:417757

約数の個数: 16

約数和(自身を含む): 240606720

約数和(自身を除く): 111113830

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 417719, 835438, 2088595, 4177190, 12949289, 25898578, 64746445, 129492890]

約数ペア:

[(1, 129492890), (2, 64746445), (5, 25898578), (10, 12949289), (31, 4177190), (62, 2088595), (155, 835438), (310, 417719)]