208445488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{420253}}^1$

素因数の和:420292

約数の個数: 20

約数和(自身を含む): 416891968

約数和(自身を除く): 208446480

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 420253, 840506, 1681012, 3362024, 6724048, 13027843, 26055686, 52111372, 104222744, 208445488]

約数ペア:

[(1, 208445488), (2, 104222744), (4, 52111372), (8, 26055686), (16, 13027843), (31, 6724048), (62, 3362024), (124, 1681012), (248, 840506), (496, 420253)]