81072124

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{28111}}^1$

素因数の和:28225

約数の個数: 24

約数和(自身を含む): 163724288

約数和(自身を除く): 82652164

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 28111, 56222, 112444, 196777, 393554, 787108, 2895433, 5790866, 11581732, 20268031, 40536062, 81072124]

約数ペア:

[(1, 81072124), (2, 40536062), (4, 20268031), (7, 11581732), (14, 5790866), (28, 2895433), (103, 787108), (206, 393554), (412, 196777), (721, 112444), (1442, 56222), (2884, 28111)]