13257378

素因数分解:

$2^1\times 3^3\times {\mathrm{97}}^1\times {\mathrm{2531}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 29776320

約数和(自身を除く): 16518942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 97, 194, 291, 582, 873, 1746, 2531, 2619, 5062, 5238, 7593, 15186, 22779, 45558, 68337, 136674, 245507, 491014, 736521, 1473042, 2209563, 4419126, 6628689, 13257378]

約数ペア:

[(1, 13257378), (2, 6628689), (3, 4419126), (6, 2209563), (9, 1473042), (18, 736521), (27, 491014), (54, 245507), (97, 136674), (194, 68337), (291, 45558), (582, 22779), (873, 15186), (1746, 7593), (2531, 5238), (2619, 5062)]