221716196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4263773}}^1$

素因数の和:4263790

約数の個数: 12

約数和(自身を含む): 417849852

約数和(自身を除く): 196133656

約数列:

[1, 2, 4, 13, 26, 52, 4263773, 8527546, 17055092, 55429049, 110858098, 221716196]

約数ペア:

[(1, 221716196), (2, 110858098), (4, 55429049), (13, 17055092), (26, 8527546), (52, 4263773)]