1381002008

素因数分解:

$2^3\times {\mathrm{18131}}^1\times {\mathrm{9521}}^1$

素因数の和:27658

約数の個数: 16

約数和(自身を含む): 2589793560

約数和(自身を除く): 1208791552

約数列:

[1, 2, 4, 8, 9521, 18131, 19042, 36262, 38084, 72524, 76168, 145048, 172625251, 345250502, 690501004, 1381002008]

約数ペア:

[(1, 1381002008), (2, 690501004), (4, 345250502), (8, 172625251), (9521, 145048), (18131, 76168), (19042, 72524), (36262, 38084)]