81145106

素因数分解:

$2^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{2917}}^1$

素因数の和:4913

約数の個数: 16

約数和(自身を含む): 139223616

約数和(自身を除く): 58078510

約数列:

[1, 2, 7, 14, 1987, 2917, 3974, 5834, 13909, 20419, 27818, 40838, 5796079, 11592158, 40572553, 81145106]

約数ペア:

[(1, 81145106), (2, 40572553), (7, 11592158), (14, 5796079), (1987, 40838), (2917, 27818), (3974, 20419), (5834, 13909)]