80493721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 109790208

約数和(自身を除く): 29296487

約数列:

[1, 7, 11, 23, 43, 49, 77, 151, 161, 253, 301, 473, 539, 989, 1057, 1127, 1661, 1771, 2107, 3311, 3473, 6493, 6923, 7399, 10879, 11627, 12397, 23177, 24311, 38203, 45451, 48461, 71423, 76153, 81389, 149339, 170177, 267421, 318157, 499961, 533071, 1045373, 1642729, 1871947, 3499727, 7317611, 11499103, 80493721]

約数ペア:

[(1, 80493721), (7, 11499103), (11, 7317611), (23, 3499727), (43, 1871947), (49, 1642729), (77, 1045373), (151, 533071), (161, 499961), (253, 318157), (301, 267421), (473, 170177), (539, 149339), (989, 81389), (1057, 76153), (1127, 71423), (1661, 48461), (1771, 45451), (2107, 38203), (3311, 24311), (3473, 23177), (6493, 12397), (6923, 11627), (7399, 10879)]