99918890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{322319}}^1$

素因数の和:322357

約数の個数: 16

約数和(自身を含む): 185656320

約数和(自身を除く): 85737430

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 322319, 644638, 1611595, 3223190, 9991889, 19983778, 49959445, 99918890]

約数ペア:

[(1, 99918890), (2, 49959445), (5, 19983778), (10, 9991889), (31, 3223190), (62, 1611595), (155, 644638), (310, 322319)]