81069278

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{5471}}^1$

素因数の和:5743

約数の個数: 16

約数和(自身を含む): 126074880

約数和(自身を除く): 45005602

約数列:

[1, 2, 31, 62, 239, 478, 5471, 7409, 10942, 14818, 169601, 339202, 1307569, 2615138, 40534639, 81069278]

約数ペア:

[(1, 81069278), (2, 40534639), (31, 2615138), (62, 1307569), (239, 339202), (478, 169601), (5471, 14818), (7409, 10942)]