72181588

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 128066400

約数和(自身を除く): 55884812

約数列:

[1, 2, 4, 139, 197, 278, 394, 556, 659, 788, 1318, 2636, 27383, 54766, 91601, 109532, 129823, 183202, 259646, 366404, 519292, 18045397, 36090794, 72181588]

約数ペア:

[(1, 72181588), (2, 36090794), (4, 18045397), (139, 519292), (197, 366404), (278, 259646), (394, 183202), (556, 129823), (659, 109532), (788, 91601), (1318, 54766), (2636, 27383)]