81977764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{60101}}^1$

素因数の和:60147

約数の個数: 24

約数和(自身を含む): 161554176

約数和(自身を除く): 79576412

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 60101, 120202, 240404, 661111, 1322222, 1863131, 2644444, 3726262, 7452524, 20494441, 40988882, 81977764]

約数ペア:

[(1, 81977764), (2, 40988882), (4, 20494441), (11, 7452524), (22, 3726262), (31, 2644444), (44, 1863131), (62, 1322222), (124, 661111), (341, 240404), (682, 120202), (1364, 60101)]