31430556

素因数分解:

$2^2\times 3^2\times {\mathrm{881}}^1\times {\mathrm{991}}^1$

素因数の和:1882

約数の個数: 36

約数和(自身を含む): 79619904

約数和(自身を除く): 48189348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 881, 991, 1762, 1982, 2643, 2973, 3524, 3964, 5286, 5946, 7929, 8919, 10572, 11892, 15858, 17838, 31716, 35676, 873071, 1746142, 2619213, 3492284, 5238426, 7857639, 10476852, 15715278, 31430556]

約数ペア:

[(1, 31430556), (2, 15715278), (3, 10476852), (4, 7857639), (6, 5238426), (9, 3492284), (12, 2619213), (18, 1746142), (36, 873071), (881, 35676), (991, 31716), (1762, 17838), (1982, 15858), (2643, 11892), (2973, 10572), (3524, 8919), (3964, 7929), (5286, 5946)]