81443782

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{1571}}^1$

素因数の和:1633

約数の個数: 36

約数和(自身を含む): 148653036

約数和(自身を除く): 67209254

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 529, 1058, 1127, 1571, 2254, 3142, 3703, 7406, 10997, 21994, 25921, 36133, 51842, 72266, 76979, 153958, 252931, 505862, 831059, 1662118, 1770517, 3541034, 5817413, 11634826, 40721891, 81443782]

約数ペア:

[(1, 81443782), (2, 40721891), (7, 11634826), (14, 5817413), (23, 3541034), (46, 1770517), (49, 1662118), (98, 831059), (161, 505862), (322, 252931), (529, 153958), (1058, 76979), (1127, 72266), (1571, 51842), (2254, 36133), (3142, 25921), (3703, 21994), (7406, 10997)]