205999452

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 532808640

約数和(自身を除く): 326809188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 113, 158, 226, 237, 316, 339, 452, 474, 641, 678, 711, 948, 1017, 1282, 1356, 1422, 1923, 2034, 2564, 2844, 3846, 4068, 5769, 7692, 8927, 11538, 17854, 23076, 26781, 35708, 50639, 53562, 72433, 80343, 101278, 107124, 144866, 151917, 160686, 202556, 217299, 289732, 303834, 321372, 434598, 455751, 607668, 651897, 869196, 911502, 1303794, 1823004, 2607588, 5722207, 11444414, 17166621, 22888828, 34333242, 51499863, 68666484, 102999726, 205999452]

約数ペア:

[(1, 205999452), (2, 102999726), (3, 68666484), (4, 51499863), (6, 34333242), (9, 22888828), (12, 17166621), (18, 11444414), (36, 5722207), (79, 2607588), (113, 1823004), (158, 1303794), (226, 911502), (237, 869196), (316, 651897), (339, 607668), (452, 455751), (474, 434598), (641, 321372), (678, 303834), (711, 289732), (948, 217299), (1017, 202556), (1282, 160686), (1356, 151917), (1422, 144866), (1923, 107124), (2034, 101278), (2564, 80343), (2844, 72433), (3846, 53562), (4068, 50639), (5769, 35708), (7692, 26781), (8927, 23076), (11538, 17854)]