81371230

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49921}}^1$

素因数の和:50091

約数の個数: 16

約数和(自身を含む): 147369744

約数和(自身を除く): 65998514

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49921, 99842, 249605, 499210, 8137123, 16274246, 40685615, 81371230]

約数ペア:

[(1, 81371230), (2, 40685615), (5, 16274246), (10, 8137123), (163, 499210), (326, 249605), (815, 99842), (1630, 49921)]