51486695

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 69115200

約数和(自身を除く): 17628505

約数列:

[1, 5, 13, 43, 65, 109, 169, 215, 545, 559, 845, 1417, 2197, 2795, 4687, 7085, 7267, 10985, 18421, 23435, 36335, 60931, 92105, 94471, 239473, 304655, 472355, 792103, 1197365, 3960515, 10297339, 51486695]

約数ペア:

[(1, 51486695), (5, 10297339), (13, 3960515), (43, 1197365), (65, 792103), (109, 472355), (169, 304655), (215, 239473), (545, 94471), (559, 92105), (845, 60931), (1417, 36335), (2197, 23435), (2795, 18421), (4687, 10985), (7085, 7267)]