25920538

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 19802342

約数列:

[1, 2, 7, 14, 71, 89, 142, 178, 293, 497, 586, 623, 994, 1246, 2051, 4102, 6319, 12638, 20803, 26077, 41606, 44233, 52154, 88466, 145621, 182539, 291242, 365078, 1851467, 3702934, 12960269, 25920538]

約数ペア:

[(1, 25920538), (2, 12960269), (7, 3702934), (14, 1851467), (71, 365078), (89, 291242), (142, 182539), (178, 145621), (293, 88466), (497, 52154), (586, 44233), (623, 41606), (994, 26077), (1246, 20803), (2051, 12638), (4102, 6319)]