201993985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{4111}}^1$

素因数の和:4464

約数の個数: 16

約数和(自身を含む): 251062272

約数和(自身を除く): 49068287

約数列:

[1, 5, 31, 155, 317, 1585, 4111, 9827, 20555, 49135, 127441, 637205, 1303187, 6515935, 40398797, 201993985]

約数ペア:

[(1, 201993985), (5, 40398797), (31, 6515935), (155, 1303187), (317, 637205), (1585, 127441), (4111, 49135), (9827, 20555)]