218654399

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 232243200

約数和(自身を除く): 13588801

約数列:

[1, 23, 89, 223, 479, 2047, 5129, 11017, 19847, 42631, 106817, 456481, 980513, 2456791, 9506713, 218654399]

約数ペア:

[(1, 218654399), (23, 9506713), (89, 2456791), (223, 980513), (479, 456481), (2047, 106817), (5129, 42631), (11017, 19847)]