188889125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 252315648

約数和(自身を除く): 63426523

約数列:

[1, 5, 17, 25, 85, 103, 125, 425, 515, 863, 1751, 2125, 2575, 4315, 8755, 12875, 14671, 21575, 43775, 73355, 88889, 107875, 218875, 366775, 444445, 1511113, 1833875, 2222225, 7555565, 11111125, 37777825, 188889125]

約数ペア:

[(1, 188889125), (5, 37777825), (17, 11111125), (25, 7555565), (85, 2222225), (103, 1833875), (125, 1511113), (425, 444445), (515, 366775), (863, 218875), (1751, 107875), (2125, 88889), (2575, 73355), (4315, 43775), (8755, 21575), (12875, 14671)]