71897778

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{30491}}^1$

素因数の和:30630

約数の個数: 24

約数和(自身を含む): 156972816

約数和(自身を除く): 85075038

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 30491, 60982, 91473, 182946, 274419, 548838, 3994321, 7988642, 11982963, 23965926, 35948889, 71897778]

約数ペア:

[(1, 71897778), (2, 35948889), (3, 23965926), (6, 11982963), (9, 7988642), (18, 3994321), (131, 548838), (262, 274419), (393, 182946), (786, 91473), (1179, 60982), (2358, 30491)]