210005788

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{2131}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 373935744

約数和(自身を除く): 163929956

約数列:

[1, 2, 4, 71, 142, 284, 347, 694, 1388, 2131, 4262, 8524, 24637, 49274, 98548, 151301, 302602, 605204, 739457, 1478914, 2957828, 52501447, 105002894, 210005788]

約数ペア:

[(1, 210005788), (2, 105002894), (4, 52501447), (71, 2957828), (142, 1478914), (284, 739457), (347, 605204), (694, 302602), (1388, 151301), (2131, 98548), (4262, 49274), (8524, 24637)]