64994992

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 128340000

約数和(自身を除く): 63345008

約数列:

[1, 2, 4, 8, 16, 137, 149, 199, 274, 298, 398, 548, 596, 796, 1096, 1192, 1592, 2192, 2384, 3184, 20413, 27263, 29651, 40826, 54526, 59302, 81652, 109052, 118604, 163304, 218104, 237208, 326608, 436208, 474416, 4062187, 8124374, 16248748, 32497496, 64994992]

約数ペア:

[(1, 64994992), (2, 32497496), (4, 16248748), (8, 8124374), (16, 4062187), (137, 474416), (149, 436208), (199, 326608), (274, 237208), (298, 218104), (398, 163304), (548, 118604), (596, 109052), (796, 81652), (1096, 59302), (1192, 54526), (1592, 40826), (2192, 29651), (2384, 27263), (3184, 20413)]