207820075

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 266541968

約数和(自身を除く): 58721893

約数列:

[1, 5, 25, 43, 97, 215, 485, 1075, 1993, 2425, 4171, 9965, 20855, 49825, 85699, 104275, 193321, 428495, 966605, 2142475, 4833025, 8312803, 41564015, 207820075]

約数ペア:

[(1, 207820075), (5, 41564015), (25, 8312803), (43, 4833025), (97, 2142475), (215, 966605), (485, 428495), (1075, 193321), (1993, 104275), (2425, 85699), (4171, 49825), (9965, 20855)]