31439844

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{4139}}^1$

素因数の和:4360

約数の個数: 36

約数和(自身を含む): 79868880

約数和(自身を除く): 48429036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 3798, 4139, 7596, 8278, 12417, 16556, 24834, 37251, 49668, 74502, 149004, 873329, 1746658, 2619987, 3493316, 5239974, 7859961, 10479948, 15719922, 31439844]

約数ペア:

[(1, 31439844), (2, 15719922), (3, 10479948), (4, 7859961), (6, 5239974), (9, 3493316), (12, 2619987), (18, 1746658), (36, 873329), (211, 149004), (422, 74502), (633, 49668), (844, 37251), (1266, 24834), (1899, 16556), (2532, 12417), (3798, 8278), (4139, 7596)]