1639235975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{136319}}^1$

素因数の和:136379

約数の個数: 24

約数和(自身を含む): 2248189440

約数和(自身を除く): 608953465

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 12025, 136319, 681595, 1772147, 3407975, 5043803, 8860735, 25219015, 44303675, 65569439, 126095075, 327847195, 1639235975]

約数ペア:

[(1, 1639235975), (5, 327847195), (13, 126095075), (25, 65569439), (37, 44303675), (65, 25219015), (185, 8860735), (325, 5043803), (481, 3407975), (925, 1772147), (2405, 681595), (12025, 136319)]