221381806

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{5197}}^1$

素因数の和:5296

約数の個数: 24

約数和(自身を含む): 356478840

約数和(自身を除く): 135097034

約数列:

[1, 2, 19, 38, 59, 118, 361, 722, 1121, 2242, 5197, 10394, 21299, 42598, 98743, 197486, 306623, 613246, 1876117, 3752234, 5825837, 11651674, 110690903, 221381806]

約数ペア:

[(1, 221381806), (2, 110690903), (19, 11651674), (38, 5825837), (59, 3752234), (118, 1876117), (361, 613246), (722, 306623), (1121, 197486), (2242, 98743), (5197, 42598), (10394, 21299)]