64756475

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 96237888

約数和(自身を除く): 31481413

約数列:

[1, 5, 7, 25, 35, 37, 73, 137, 175, 185, 259, 365, 511, 685, 925, 959, 1295, 1825, 2555, 2701, 3425, 4795, 5069, 6475, 10001, 12775, 13505, 18907, 23975, 25345, 35483, 50005, 67525, 70007, 94535, 126725, 177415, 250025, 350035, 370037, 472675, 887075, 1750175, 1850185, 2590259, 9250925, 12951295, 64756475]

約数ペア:

[(1, 64756475), (5, 12951295), (7, 9250925), (25, 2590259), (35, 1850185), (37, 1750175), (73, 887075), (137, 472675), (175, 370037), (185, 350035), (259, 250025), (365, 177415), (511, 126725), (685, 94535), (925, 70007), (959, 67525), (1295, 50005), (1825, 35483), (2555, 25345), (2701, 23975), (3425, 18907), (4795, 13505), (5069, 12775), (6475, 10001)]