4712155

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 6893568

約数和(自身を除く): 2181413

約数列:

[1, 5, 7, 31, 35, 43, 101, 155, 215, 217, 301, 505, 707, 1085, 1333, 1505, 3131, 3535, 4343, 6665, 9331, 15655, 21715, 21917, 30401, 46655, 109585, 134633, 152005, 673165, 942431, 4712155]

約数ペア:

[(1, 4712155), (5, 942431), (7, 673165), (31, 152005), (35, 134633), (43, 109585), (101, 46655), (155, 30401), (215, 21917), (217, 21715), (301, 15655), (505, 9331), (707, 6665), (1085, 4343), (1333, 3535), (1505, 3131)]