81425998

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{2473}}^1$

素因数の和:2739

約数の個数: 16

約数和(自身を含む): 124155216

約数和(自身を除く): 42729218

約数列:

[1, 2, 101, 163, 202, 326, 2473, 4946, 16463, 32926, 249773, 403099, 499546, 806198, 40712999, 81425998]

約数ペア:

[(1, 81425998), (2, 40712999), (101, 806198), (163, 499546), (202, 403099), (326, 249773), (2473, 32926), (4946, 16463)]