28040038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{63439}}^1$

素因数の和:63471

約数の個数: 16

約数和(自身を含む): 47960640

約数和(自身を除く): 19920602

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 63439, 126878, 824707, 1078463, 1649414, 2156926, 14020019, 28040038]

約数ペア:

[(1, 28040038), (2, 14020019), (13, 2156926), (17, 1649414), (26, 1078463), (34, 824707), (221, 126878), (442, 63439)]