87209890

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{53503}}^1$

素因数の和:53673

約数の個数: 16

約数和(自身を含む): 157943808

約数和(自身を除く): 70733918

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 53503, 107006, 267515, 535030, 8720989, 17441978, 43604945, 87209890]

約数ペア:

[(1, 87209890), (2, 43604945), (5, 17441978), (10, 8720989), (163, 535030), (326, 267515), (815, 107006), (1630, 53503)]