64520804579

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1\times {\mathrm{21169}}^1$

素因数の和:22931

約数の個数: 32

約数和(自身を含む): 83991720960

約数和(自身を除く): 19470916381

約数列:

[1, 7, 11, 23, 77, 161, 253, 1721, 1771, 12047, 18931, 21169, 39583, 132517, 148183, 232859, 277081, 435413, 486887, 1630013, 3047891, 3408209, 5355757, 36431849, 37490299, 255022943, 400750339, 837932527, 2805252373, 5865527689, 9217257797, 64520804579]

約数ペア:

[(1, 64520804579), (7, 9217257797), (11, 5865527689), (23, 2805252373), (77, 837932527), (161, 400750339), (253, 255022943), (1721, 37490299), (1771, 36431849), (12047, 5355757), (18931, 3408209), (21169, 3047891), (39583, 1630013), (132517, 486887), (148183, 435413), (232859, 277081)]