71690456

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 136620000

約数和(自身を除く): 64929544

約数列:

[1, 2, 4, 8, 137, 149, 274, 298, 439, 548, 596, 878, 1096, 1192, 1756, 3512, 20413, 40826, 60143, 65411, 81652, 120286, 130822, 163304, 240572, 261644, 481144, 523288, 8961307, 17922614, 35845228, 71690456]

約数ペア:

[(1, 71690456), (2, 35845228), (4, 17922614), (8, 8961307), (137, 523288), (149, 481144), (274, 261644), (298, 240572), (439, 163304), (548, 130822), (596, 120286), (878, 81652), (1096, 65411), (1192, 60143), (1756, 40826), (3512, 20413)]