211286428

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{3391}}^1$

素因数の和:3853

約数の個数: 24

約数和(自身を含む): 380758784

約数和(自身を除く): 169472356

約数列:

[1, 2, 4, 37, 74, 148, 421, 842, 1684, 3391, 6782, 13564, 15577, 31154, 62308, 125467, 250934, 501868, 1427611, 2855222, 5710444, 52821607, 105643214, 211286428]

約数ペア:

[(1, 211286428), (2, 105643214), (4, 52821607), (37, 5710444), (74, 2855222), (148, 1427611), (421, 501868), (842, 250934), (1684, 125467), (3391, 62308), (6782, 31154), (13564, 15577)]