661815684

素因数分解:

$2^2\times 3^4\times {\mathrm{149}}^1\times {\mathrm{13709}}^1$

素因数の和:13874

約数の個数: 60

約数和(自身を含む): 1741855500

約数和(自身を除く): 1080039816

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 149, 162, 298, 324, 447, 596, 894, 1341, 1788, 2682, 4023, 5364, 8046, 12069, 13709, 16092, 24138, 27418, 41127, 48276, 54836, 82254, 123381, 164508, 246762, 370143, 493524, 740286, 1110429, 1480572, 2042641, 2220858, 4085282, 4441716, 6127923, 8170564, 12255846, 18383769, 24511692, 36767538, 55151307, 73535076, 110302614, 165453921, 220605228, 330907842, 661815684]

約数ペア:

[(1, 661815684), (2, 330907842), (3, 220605228), (4, 165453921), (6, 110302614), (9, 73535076), (12, 55151307), (18, 36767538), (27, 24511692), (36, 18383769), (54, 12255846), (81, 8170564), (108, 6127923), (149, 4441716), (162, 4085282), (298, 2220858), (324, 2042641), (447, 1480572), (596, 1110429), (894, 740286), (1341, 493524), (1788, 370143), (2682, 246762), (4023, 164508), (5364, 123381), (8046, 82254), (12069, 54836), (13709, 48276), (16092, 41127), (24138, 27418)]