868391665

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 1103198976

約数和(自身を除く): 234807311

約数列:

[1, 5, 37, 43, 173, 185, 215, 631, 865, 1591, 3155, 6401, 7439, 7955, 23347, 27133, 32005, 37195, 109163, 116735, 135665, 275243, 545815, 1003921, 1376215, 4039031, 4694009, 5019605, 20195155, 23470045, 173678333, 868391665]

約数ペア:

[(1, 868391665), (5, 173678333), (37, 23470045), (43, 20195155), (173, 5019605), (185, 4694009), (215, 4039031), (631, 1376215), (865, 1003921), (1591, 545815), (3155, 275243), (6401, 135665), (7439, 116735), (7955, 109163), (23347, 37195), (27133, 32005)]