81759790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24851}}^1$

素因数の和:24912

約数の個数: 32

約数和(自身を含む): 171777024

約数和(自身を除く): 90017234

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 24851, 49702, 124255, 173957, 248510, 347914, 869785, 1167997, 1739570, 2335994, 5839985, 8175979, 11679970, 16351958, 40879895, 81759790]

約数ペア:

[(1, 81759790), (2, 40879895), (5, 16351958), (7, 11679970), (10, 8175979), (14, 5839985), (35, 2335994), (47, 1739570), (70, 1167997), (94, 869785), (235, 347914), (329, 248510), (470, 173957), (658, 124255), (1645, 49702), (3290, 24851)]