81253588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{5333}}^1$

素因数の和:5643

約数の個数: 24

約数和(自身を含む): 153683208

約数和(自身を除く): 72429620

約数列:

[1, 2, 4, 13, 26, 52, 293, 586, 1172, 3809, 5333, 7618, 10666, 15236, 21332, 69329, 138658, 277316, 1562569, 3125138, 6250276, 20313397, 40626794, 81253588]

約数ペア:

[(1, 81253588), (2, 40626794), (4, 20313397), (13, 6250276), (26, 3125138), (52, 1562569), (293, 277316), (586, 138658), (1172, 69329), (3809, 21332), (5333, 15236), (7618, 10666)]