989866948

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{2137}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 2017177344

約数和(自身を除く): 1027310396

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 233, 284, 466, 497, 932, 994, 1631, 1988, 2137, 3262, 4274, 6524, 8548, 14959, 16543, 29918, 33086, 59836, 66172, 115801, 151727, 231602, 303454, 463204, 497921, 606908, 995842, 1062089, 1991684, 2124178, 3485447, 4248356, 6970894, 13941788, 35352391, 70704782, 141409564, 247466737, 494933474, 989866948]

約数ペア:

[(1, 989866948), (2, 494933474), (4, 247466737), (7, 141409564), (14, 70704782), (28, 35352391), (71, 13941788), (142, 6970894), (233, 4248356), (284, 3485447), (466, 2124178), (497, 1991684), (932, 1062089), (994, 995842), (1631, 606908), (1988, 497921), (2137, 463204), (3262, 303454), (4274, 231602), (6524, 151727), (8548, 115801), (14959, 66172), (16543, 59836), (29918, 33086)]