64197928

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 122860800

約数和(自身を除く): 58662872

約数列:

[1, 2, 4, 8, 79, 157, 158, 314, 316, 628, 632, 647, 1256, 1294, 2588, 5176, 12403, 24806, 49612, 51113, 99224, 101579, 102226, 203158, 204452, 406316, 408904, 812632, 8024741, 16049482, 32098964, 64197928]

約数ペア:

[(1, 64197928), (2, 32098964), (4, 16049482), (8, 8024741), (79, 812632), (157, 408904), (158, 406316), (314, 204452), (316, 203158), (628, 102226), (632, 101579), (647, 99224), (1256, 51113), (1294, 49612), (2588, 24806), (5176, 12403)]