81239654

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{5437}}^1$

素因数の和:5711

約数の個数: 16

約数和(自身を含む): 126335616

約数和(自身を除く): 45095962

約数列:

[1, 2, 31, 62, 241, 482, 5437, 7471, 10874, 14942, 168547, 337094, 1310317, 2620634, 40619827, 81239654]

約数ペア:

[(1, 81239654), (2, 40619827), (31, 2620634), (62, 1310317), (241, 337094), (482, 168547), (5437, 14942), (7471, 10874)]