81581888

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{20897}}^1$

素因数の和:20970

約数の個数: 28

約数和(自身を含む): 164550852

約数和(自身を除く): 82968964

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 20897, 41794, 83588, 167176, 334352, 668704, 1274717, 1337408, 2549434, 5098868, 10197736, 20395472, 40790944, 81581888]

約数ペア:

[(1, 81581888), (2, 40790944), (4, 20395472), (8, 10197736), (16, 5098868), (32, 2549434), (61, 1337408), (64, 1274717), (122, 668704), (244, 334352), (488, 167176), (976, 83588), (1952, 41794), (3904, 20897)]