520019995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{411083}}^1$

素因数の和:411122

約数の個数: 16

約数和(自身を含む): 710353152

約数和(自身を除く): 190333157

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 411083, 2055415, 4521913, 9454909, 22609565, 47274545, 104003999, 520019995]

約数ペア:

[(1, 520019995), (5, 104003999), (11, 47274545), (23, 22609565), (55, 9454909), (115, 4521913), (253, 2055415), (1265, 411083)]