64404968

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{647}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 126437760

約数和(自身を除く): 62032792

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 541, 647, 1082, 1294, 2164, 2588, 4328, 5176, 12443, 14881, 24886, 29762, 49772, 59524, 99544, 119048, 350027, 700054, 1400108, 2800216, 8050621, 16101242, 32202484, 64404968]

約数ペア:

[(1, 64404968), (2, 32202484), (4, 16101242), (8, 8050621), (23, 2800216), (46, 1400108), (92, 700054), (184, 350027), (541, 119048), (647, 99544), (1082, 59524), (1294, 49772), (2164, 29762), (2588, 24886), (4328, 14881), (5176, 12443)]