64786371

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 107251200

約数和(自身を除く): 42464829

約数列:

[1, 3, 13, 17, 19, 37, 39, 51, 57, 111, 139, 221, 247, 323, 417, 481, 629, 663, 703, 741, 969, 1443, 1807, 1887, 2109, 2363, 2641, 4199, 5143, 5421, 7089, 7923, 8177, 9139, 11951, 12597, 15429, 24531, 27417, 30719, 34333, 35853, 44897, 66859, 87431, 92157, 97717, 102999, 134691, 155363, 200577, 262293, 293151, 466089, 583661, 1136603, 1270321, 1661189, 1750983, 3409809, 3810963, 4983567, 21595457, 64786371]

約数ペア:

[(1, 64786371), (3, 21595457), (13, 4983567), (17, 3810963), (19, 3409809), (37, 1750983), (39, 1661189), (51, 1270321), (57, 1136603), (111, 583661), (139, 466089), (221, 293151), (247, 262293), (323, 200577), (417, 155363), (481, 134691), (629, 102999), (663, 97717), (703, 92157), (741, 87431), (969, 66859), (1443, 44897), (1807, 35853), (1887, 34333), (2109, 30719), (2363, 27417), (2641, 24531), (4199, 15429), (5143, 12597), (5421, 11951), (7089, 9139), (7923, 8177)]