291205556

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{3823}}^1$

素因数の和:4103

約数の個数: 24

約数和(自身を含む): 517157760

約数和(自身を除く): 225952204

約数列:

[1, 2, 4, 137, 139, 274, 278, 548, 556, 3823, 7646, 15292, 19043, 38086, 76172, 523751, 531397, 1047502, 1062794, 2095004, 2125588, 72801389, 145602778, 291205556]

約数ペア:

[(1, 291205556), (2, 145602778), (4, 72801389), (137, 2125588), (139, 2095004), (274, 1062794), (278, 1047502), (548, 531397), (556, 523751), (3823, 76172), (7646, 38086), (15292, 19043)]