128575676

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 241164000

約数和(自身を除く): 112588324

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 149, 172, 173, 298, 346, 596, 692, 1247, 2494, 4321, 4988, 5017, 6407, 7439, 8642, 10034, 12814, 14878, 17284, 20068, 25628, 25777, 29756, 51554, 103108, 185803, 215731, 371606, 431462, 743212, 747533, 862924, 1108411, 1495066, 2216822, 2990132, 4433644, 32143919, 64287838, 128575676]

約数ペア:

[(1, 128575676), (2, 64287838), (4, 32143919), (29, 4433644), (43, 2990132), (58, 2216822), (86, 1495066), (116, 1108411), (149, 862924), (172, 747533), (173, 743212), (298, 431462), (346, 371606), (596, 215731), (692, 185803), (1247, 103108), (2494, 51554), (4321, 29756), (4988, 25777), (5017, 25628), (6407, 20068), (7439, 17284), (8642, 14878), (10034, 12814)]