28778739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 45391104

約数和(自身を除く): 16612365

約数列:

[1, 3, 11, 17, 33, 43, 51, 129, 187, 473, 561, 731, 1193, 1419, 2193, 3579, 8041, 13123, 20281, 24123, 39369, 51299, 60843, 153897, 223091, 564289, 669273, 872083, 1692867, 2616249, 9592913, 28778739]

約数ペア:

[(1, 28778739), (3, 9592913), (11, 2616249), (17, 1692867), (33, 872083), (43, 669273), (51, 564289), (129, 223091), (187, 153897), (473, 60843), (561, 51299), (731, 39369), (1193, 24123), (1419, 20281), (2193, 13123), (3579, 8041)]