31313556

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{12251}}^1$

素因数の和:12332

約数の個数: 36

約数和(自身を含む): 80275104

約数和(自身を除く): 48961548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 12251, 24502, 36753, 49004, 73506, 110259, 147012, 220518, 441036, 869821, 1739642, 2609463, 3479284, 5218926, 7828389, 10437852, 15656778, 31313556]

約数ペア:

[(1, 31313556), (2, 15656778), (3, 10437852), (4, 7828389), (6, 5218926), (9, 3479284), (12, 2609463), (18, 1739642), (36, 869821), (71, 441036), (142, 220518), (213, 147012), (284, 110259), (426, 73506), (639, 49004), (852, 36753), (1278, 24502), (2556, 12251)]