165651265

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 227259648

約数和(自身を除く): 61608383

約数列:

[1, 5, 13, 43, 47, 65, 97, 169, 215, 235, 485, 559, 611, 845, 1261, 2021, 2795, 3055, 4171, 4559, 6305, 7267, 7943, 10105, 16393, 20855, 22795, 26273, 36335, 39715, 54223, 59267, 81965, 131365, 196037, 271115, 296335, 341549, 704899, 770471, 980185, 1707745, 2548481, 3524495, 3852355, 12742405, 33130253, 165651265]

約数ペア:

[(1, 165651265), (5, 33130253), (13, 12742405), (43, 3852355), (47, 3524495), (65, 2548481), (97, 1707745), (169, 980185), (215, 770471), (235, 704899), (485, 341549), (559, 296335), (611, 271115), (845, 196037), (1261, 131365), (2021, 81965), (2795, 59267), (3055, 54223), (4171, 39715), (4559, 36335), (6305, 26273), (7267, 22795), (7943, 20855), (10105, 16393)]