81954678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7559}}^1$

素因数の和:7716

約数の個数: 32

約数和(自身を含む): 177811200

約数和(自身を除く): 95856522

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421, 7559, 10842, 15118, 22677, 45354, 98267, 196534, 294801, 589602, 1050701, 2101402, 3152103, 6304206, 13659113, 27318226, 40977339, 81954678]

約数ペア:

[(1, 81954678), (2, 40977339), (3, 27318226), (6, 13659113), (13, 6304206), (26, 3152103), (39, 2101402), (78, 1050701), (139, 589602), (278, 294801), (417, 196534), (834, 98267), (1807, 45354), (3614, 22677), (5421, 15118), (7559, 10842)]