209218925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1847}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 272232576

約数和(自身を除く): 63013651

約数列:

[1, 5, 23, 25, 115, 197, 575, 985, 1847, 4531, 4925, 9235, 22655, 42481, 46175, 113275, 212405, 363859, 1062025, 1819295, 8368757, 9096475, 41843785, 209218925]

約数ペア:

[(1, 209218925), (5, 41843785), (23, 9096475), (25, 8368757), (115, 1819295), (197, 1062025), (575, 363859), (985, 212405), (1847, 113275), (4531, 46175), (4925, 42481), (9235, 22655)]