639331325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 872332560

約数和(自身を除く): 233001235

約数列:

[1, 5, 17, 25, 37, 85, 109, 185, 373, 425, 545, 629, 925, 1853, 1865, 2725, 3145, 4033, 6341, 9265, 9325, 13801, 15725, 20165, 31705, 40657, 46325, 68561, 69005, 100825, 158525, 203285, 234617, 342805, 345025, 691169, 1016425, 1173085, 1504309, 1714025, 3455845, 5865425, 7521545, 17279225, 25573253, 37607725, 127866265, 639331325]

約数ペア:

[(1, 639331325), (5, 127866265), (17, 37607725), (25, 25573253), (37, 17279225), (85, 7521545), (109, 5865425), (185, 3455845), (373, 1714025), (425, 1504309), (545, 1173085), (629, 1016425), (925, 691169), (1853, 345025), (1865, 342805), (2725, 234617), (3145, 203285), (4033, 158525), (6341, 100825), (9265, 69005), (9325, 68561), (13801, 46325), (15725, 40657), (20165, 31705)]