64979317

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 74019840

約数和(自身を除く): 9040523

約数列:

[1, 13, 31, 79, 157, 169, 403, 1027, 2041, 2449, 4867, 5239, 12403, 13351, 26533, 31837, 63271, 161239, 384493, 413881, 822523, 2096107, 4998409, 64979317]

約数ペア:

[(1, 64979317), (13, 4998409), (31, 2096107), (79, 822523), (157, 413881), (169, 384493), (403, 161239), (1027, 63271), (2041, 31837), (2449, 26533), (4867, 13351), (5239, 12403)]