989502410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7611557}}^1$

素因数の和:7611577

約数の個数: 16

約数和(自身を含む): 1918112616

約数和(自身を除く): 928610206

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7611557, 15223114, 38057785, 76115570, 98950241, 197900482, 494751205, 989502410]

約数ペア:

[(1, 989502410), (2, 494751205), (5, 197900482), (10, 98950241), (13, 76115570), (26, 38057785), (65, 15223114), (130, 7611557)]