201639125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{94889}}^1$

素因数の和:94921

約数の個数: 16

約数和(自身を含む): 266451120

約数和(自身を除く): 64811995

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 94889, 474445, 1613113, 2372225, 8065565, 11861125, 40327825, 201639125]

約数ペア:

[(1, 201639125), (5, 40327825), (17, 11861125), (25, 8065565), (85, 2372225), (125, 1613113), (425, 474445), (2125, 94889)]