87291290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{4721}}^1$

素因数の和:4814

約数の個数: 24

約数和(自身を含む): 160897428

約数和(自身を除く): 73606138

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 4721, 9245, 9442, 18490, 23605, 47210, 203003, 406006, 1015015, 2030030, 8729129, 17458258, 43645645, 87291290]

約数ペア:

[(1, 87291290), (2, 43645645), (5, 17458258), (10, 8729129), (43, 2030030), (86, 1015015), (215, 406006), (430, 203003), (1849, 47210), (3698, 23605), (4721, 18490), (9245, 9442)]