221223908

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{5297}}^1$

素因数の和:5551

約数の個数: 24

約数和(自身を含む): 396523512

約数和(自身を除く): 175299604

約数列:

[1, 2, 4, 53, 106, 197, 212, 394, 788, 5297, 10441, 10594, 20882, 21188, 41764, 280741, 561482, 1043509, 1122964, 2087018, 4174036, 55305977, 110611954, 221223908]

約数ペア:

[(1, 221223908), (2, 110611954), (4, 55305977), (53, 4174036), (106, 2087018), (197, 1122964), (212, 1043509), (394, 561482), (788, 280741), (5297, 41764), (10441, 21188), (10594, 20882)]