990102526

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{142297}}^1$

素因数の和:142384

約数の個数: 24

約数和(自身を含む): 1751972976

約数和(自身を除く): 761870450

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 3479, 6958, 142297, 284594, 996079, 1992158, 6972553, 10103087, 13945106, 20206174, 70721609, 141443218, 495051263, 990102526]

約数ペア:

[(1, 990102526), (2, 495051263), (7, 141443218), (14, 70721609), (49, 20206174), (71, 13945106), (98, 10103087), (142, 6972553), (497, 1992158), (994, 996079), (3479, 284594), (6958, 142297)]