389744905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{739}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 525127680

約数和(自身を除く): 135382775

約数列:

[1, 5, 11, 43, 55, 215, 223, 473, 739, 1115, 2365, 2453, 3695, 8129, 9589, 12265, 31777, 40645, 47945, 105479, 158885, 164797, 349547, 527395, 823985, 1747735, 1812767, 7086271, 9063835, 35431355, 77948981, 389744905]

約数ペア:

[(1, 389744905), (5, 77948981), (11, 35431355), (43, 9063835), (55, 7086271), (215, 1812767), (223, 1747735), (473, 823985), (739, 527395), (1115, 349547), (2365, 164797), (2453, 158885), (3695, 105479), (8129, 47945), (9589, 40645), (12265, 31777)]