2838605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 4347648

約数和(自身を除く): 1509043

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 101, 365, 385, 505, 511, 707, 803, 1111, 2555, 3535, 4015, 5555, 5621, 7373, 7777, 28105, 36865, 38885, 51611, 81103, 258055, 405515, 567721, 2838605]

約数ペア:

[(1, 2838605), (5, 567721), (7, 405515), (11, 258055), (35, 81103), (55, 51611), (73, 38885), (77, 36865), (101, 28105), (365, 7777), (385, 7373), (505, 5621), (511, 5555), (707, 4015), (803, 3535), (1111, 2555)]