4005155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 6110208

約数和(自身を除く): 2105053

約数列:

[1, 5, 7, 11, 35, 55, 77, 101, 103, 385, 505, 515, 707, 721, 1111, 1133, 3535, 3605, 5555, 5665, 7777, 7931, 10403, 38885, 39655, 52015, 72821, 114433, 364105, 572165, 801031, 4005155]

約数ペア:

[(1, 4005155), (5, 801031), (7, 572165), (11, 364105), (35, 114433), (55, 72821), (77, 52015), (101, 39655), (103, 38885), (385, 10403), (505, 7931), (515, 7777), (707, 5665), (721, 5555), (1111, 3605), (1133, 3535)]