31161004

素因数分解:

$2^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1123}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 62440448

約数和(自身を除く): 31279444

約数列:

[1, 2, 4, 7, 14, 28, 991, 1123, 1982, 2246, 3964, 4492, 6937, 7861, 13874, 15722, 27748, 31444, 1112893, 2225786, 4451572, 7790251, 15580502, 31161004]

約数ペア:

[(1, 31161004), (2, 15580502), (4, 7790251), (7, 4451572), (14, 2225786), (28, 1112893), (991, 31444), (1123, 27748), (1982, 15722), (2246, 13874), (3964, 7861), (4492, 6937)]