81798808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112361}}^1$

素因数の和:112387

約数の個数: 32

約数和(自身を含む): 188768160

約数和(自身を除く): 106969352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 112361, 224722, 449444, 786527, 898888, 1460693, 1573054, 2921386, 3146108, 5842772, 6292216, 10224851, 11685544, 20449702, 40899404, 81798808]

約数ペア:

[(1, 81798808), (2, 40899404), (4, 20449702), (7, 11685544), (8, 10224851), (13, 6292216), (14, 5842772), (26, 3146108), (28, 2921386), (52, 1573054), (56, 1460693), (91, 898888), (104, 786527), (182, 449444), (364, 224722), (728, 112361)]