28776830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{487}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 54812160

約数和(自身を除く): 26035330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 311, 487, 622, 974, 1555, 2435, 3110, 4870, 5909, 9253, 11818, 18506, 29545, 46265, 59090, 92530, 151457, 302914, 757285, 1514570, 2877683, 5755366, 14388415, 28776830]

約数ペア:

[(1, 28776830), (2, 14388415), (5, 5755366), (10, 2877683), (19, 1514570), (38, 757285), (95, 302914), (190, 151457), (311, 92530), (487, 59090), (622, 46265), (974, 29545), (1555, 18506), (2435, 11818), (3110, 9253), (4870, 5909)]