677289904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{1531}}^1$

素因数の和:2225

約数の個数: 40

約数和(自身を含む): 1345733312

約数和(自身を除く): 668443408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 643, 688, 1286, 1531, 2572, 3062, 5144, 6124, 10288, 12248, 24496, 27649, 55298, 65833, 110596, 131666, 221192, 263332, 442384, 526664, 984433, 1053328, 1968866, 3937732, 7875464, 15750928, 42330619, 84661238, 169322476, 338644952, 677289904]

約数ペア:

[(1, 677289904), (2, 338644952), (4, 169322476), (8, 84661238), (16, 42330619), (43, 15750928), (86, 7875464), (172, 3937732), (344, 1968866), (643, 1053328), (688, 984433), (1286, 526664), (1531, 442384), (2572, 263332), (3062, 221192), (5144, 131666), (6124, 110596), (10288, 65833), (12248, 55298), (24496, 27649)]