25998567

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 42550272

約数和(自身を除く): 16551705

約数列:

[1, 3, 7, 21, 47, 49, 53, 71, 141, 147, 159, 213, 329, 371, 497, 987, 1113, 1491, 2303, 2491, 2597, 3337, 3479, 3763, 6909, 7473, 7791, 10011, 10437, 11289, 17437, 23359, 26341, 52311, 70077, 79023, 122059, 163513, 176861, 184387, 366177, 490539, 530583, 553161, 1238027, 3714081, 8666189, 25998567]

約数ペア:

[(1, 25998567), (3, 8666189), (7, 3714081), (21, 1238027), (47, 553161), (49, 530583), (53, 490539), (71, 366177), (141, 184387), (147, 176861), (159, 163513), (213, 122059), (329, 79023), (371, 70077), (497, 52311), (987, 26341), (1113, 23359), (1491, 17437), (2303, 11289), (2491, 10437), (2597, 10011), (3337, 7791), (3479, 7473), (3763, 6909)]