217173138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397753}}^1$

素因数の和:397778

約数の個数: 32

約数和(自身を含む): 534581376

約数和(自身を除く): 317408238

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 397753, 795506, 1193259, 2386518, 2784271, 5170789, 5568542, 8352813, 10341578, 15512367, 16705626, 31024734, 36195523, 72391046, 108586569, 217173138]

約数ペア:

[(1, 217173138), (2, 108586569), (3, 72391046), (6, 36195523), (7, 31024734), (13, 16705626), (14, 15512367), (21, 10341578), (26, 8352813), (39, 5568542), (42, 5170789), (78, 2784271), (91, 2386518), (182, 1193259), (273, 795506), (546, 397753)]