1990490874

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1\times {\mathrm{4231}}^1$

素因数の和:5206

約数の個数: 32

約数和(自身を含む): 4031233920

約数和(自身を除く): 2040743046

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 881, 1762, 2643, 4231, 5286, 8462, 12693, 25386, 78409, 156818, 235227, 376559, 470454, 753118, 1129677, 2259354, 3727511, 7455022, 11182533, 22365066, 331748479, 663496958, 995245437, 1990490874]

約数ペア:

[(1, 1990490874), (2, 995245437), (3, 663496958), (6, 331748479), (89, 22365066), (178, 11182533), (267, 7455022), (534, 3727511), (881, 2259354), (1762, 1129677), (2643, 753118), (4231, 470454), (5286, 376559), (8462, 235227), (12693, 156818), (25386, 78409)]