81387358

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1036

約数の個数: 24

約数和(自身を含む): 132748200

約数和(自身を除く): 51360842

約数列:

[1, 2, 13, 26, 169, 338, 389, 619, 778, 1238, 5057, 8047, 10114, 16094, 65741, 104611, 131482, 209222, 240791, 481582, 3130283, 6260566, 40693679, 81387358]

約数ペア:

[(1, 81387358), (2, 40693679), (13, 6260566), (26, 3130283), (169, 481582), (338, 240791), (389, 209222), (619, 131482), (778, 104611), (1238, 65741), (5057, 16094), (8047, 10114)]