871255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 32

約数和(自身を含む): 1363968

約数和(自身を除く): 492713

約数列:

[1, 5, 7, 11, 31, 35, 55, 73, 77, 155, 217, 341, 365, 385, 511, 803, 1085, 1705, 2263, 2387, 2555, 4015, 5621, 11315, 11935, 15841, 24893, 28105, 79205, 124465, 174251, 871255]

約数ペア:

[(1, 871255), (5, 174251), (7, 124465), (11, 79205), (31, 28105), (35, 24893), (55, 15841), (73, 11935), (77, 11315), (155, 5621), (217, 4015), (341, 2555), (365, 2387), (385, 2263), (511, 1705), (803, 1085)]