129357730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{417283}}^1$

素因数の和:417321

約数の個数: 16

約数和(自身を含む): 240355584

約数和(自身を除く): 110997854

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 417283, 834566, 2086415, 4172830, 12935773, 25871546, 64678865, 129357730]

約数ペア:

[(1, 129357730), (2, 64678865), (5, 25871546), (10, 12935773), (31, 4172830), (62, 2086415), (155, 834566), (310, 417283)]