204857156

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{178447}}^1$

素因数の和:178499

約数の個数: 24

約数和(自身を含む): 419709696

約数和(自身を除く): 214852540

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 178447, 356894, 713788, 1249129, 2498258, 4996516, 7316327, 14632654, 29265308, 51214289, 102428578, 204857156]

約数ペア:

[(1, 204857156), (2, 102428578), (4, 51214289), (7, 29265308), (14, 14632654), (28, 7316327), (41, 4996516), (82, 2498258), (164, 1249129), (287, 713788), (574, 356894), (1148, 178447)]