90423425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1553}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 119664216

約数和(自身を除く): 29240791

約数列:

[1, 5, 17, 25, 85, 137, 425, 685, 1553, 2329, 3425, 7765, 11645, 26401, 38825, 58225, 132005, 212761, 660025, 1063805, 3616937, 5319025, 18084685, 90423425]

約数ペア:

[(1, 90423425), (5, 18084685), (17, 5319025), (25, 3616937), (85, 1063805), (137, 660025), (425, 212761), (685, 132005), (1553, 58225), (2329, 38825), (3425, 26401), (7765, 11645)]