81880984

素因数分解:

$2^3\times {\mathrm{349}}^1\times {\mathrm{29327}}^1$

素因数の和:29682

約数の個数: 16

約数和(自身を含む): 153972000

約数和(自身を除く): 72091016

約数列:

[1, 2, 4, 8, 349, 698, 1396, 2792, 29327, 58654, 117308, 234616, 10235123, 20470246, 40940492, 81880984]

約数ペア:

[(1, 81880984), (2, 40940492), (4, 20470246), (8, 10235123), (349, 234616), (698, 117308), (1396, 58654), (2792, 29327)]