7212505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1676

約数の個数: 16

約数和(自身を含む): 9342864

約数和(自身を除く): 2130359

約数列:

[1, 5, 17, 53, 85, 265, 901, 1601, 4505, 8005, 27217, 84853, 136085, 424265, 1442501, 7212505]

約数ペア:

[(1, 7212505), (5, 1442501), (17, 424265), (53, 136085), (85, 84853), (265, 27217), (901, 8005), (1601, 4505)]