25193345541

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1889}}^1$

素因数の和:2923

約数の個数: 64

約数和(自身を含む): 42251328000

約数和(自身を除く): 17057982459

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 997, 1029, 1889, 1911, 2991, 4459, 5667, 6979, 12961, 13223, 13377, 20937, 24557, 38883, 39669, 48853, 73671, 90727, 92561, 146559, 171899, 272181, 277683, 341971, 515697, 635089, 647927, 1025913, 1203293, 1883333, 1905267, 1943781, 3609879, 4445623, 5649999, 8423051, 13183331, 13336869, 24483329, 25269153, 39549993, 73449987, 92283317, 171383303, 276849951, 514149909, 645983219, 1199683121, 1937949657, 3599049363, 8397781847, 25193345541]

約数ペア:

[(1, 25193345541), (3, 8397781847), (7, 3599049363), (13, 1937949657), (21, 1199683121), (39, 645983219), (49, 514149909), (91, 276849951), (147, 171383303), (273, 92283317), (343, 73449987), (637, 39549993), (997, 25269153), (1029, 24483329), (1889, 13336869), (1911, 13183331), (2991, 8423051), (4459, 5649999), (5667, 4445623), (6979, 3609879), (12961, 1943781), (13223, 1905267), (13377, 1883333), (20937, 1203293), (24557, 1025913), (38883, 647927), (39669, 635089), (48853, 515697), (73671, 341971), (90727, 277683), (92561, 272181), (146559, 171899)]