64638535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 88179840

約数和(自身を除く): 23541305

約数列:

[1, 5, 13, 29, 53, 65, 145, 265, 377, 647, 689, 1537, 1885, 3235, 3445, 7685, 8411, 18763, 19981, 34291, 42055, 93815, 99905, 171455, 243919, 445783, 994439, 1219595, 2228915, 4972195, 12927707, 64638535]

約数ペア:

[(1, 64638535), (5, 12927707), (13, 4972195), (29, 2228915), (53, 1219595), (65, 994439), (145, 445783), (265, 243919), (377, 171455), (647, 99905), (689, 93815), (1537, 42055), (1885, 34291), (3235, 19981), (3445, 18763), (7685, 8411)]