80471818

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{22193}}^1$

素因数の和:22246

約数の個数: 24

約数和(自身を含む): 144216612

約数和(自身を除く): 63744794

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 22193, 44386, 155351, 310702, 821141, 1087457, 1642282, 2174914, 5747987, 11495974, 40235909, 80471818]

約数ペア:

[(1, 80471818), (2, 40235909), (7, 11495974), (14, 5747987), (37, 2174914), (49, 1642282), (74, 1087457), (98, 821141), (259, 310702), (518, 155351), (1813, 44386), (3626, 22193)]