208636428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1628

約数の個数: 144

約数和(自身を含む): 658999040

約数和(自身を除く): 450362612

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 121, 132, 143, 154, 156, 182, 231, 242, 273, 286, 308, 363, 364, 429, 462, 484, 546, 572, 726, 847, 858, 924, 1001, 1092, 1452, 1573, 1579, 1694, 1716, 2002, 2541, 3003, 3146, 3158, 3388, 4004, 4719, 4737, 5082, 6006, 6292, 6316, 9438, 9474, 10164, 11011, 11053, 12012, 17369, 18876, 18948, 20527, 22022, 22106, 33033, 33159, 34738, 41054, 44044, 44212, 52107, 61581, 66066, 66318, 69476, 82108, 104214, 121583, 123162, 132132, 132636, 143689, 191059, 208428, 225797, 243166, 246324, 287378, 364749, 382118, 431067, 451594, 486332, 573177, 574756, 677391, 729498, 764236, 862134, 903188, 1146354, 1337413, 1354782, 1458996, 1580579, 1724268, 2292708, 2483767, 2674826, 2709564, 3161158, 4012239, 4741737, 4967534, 5349652, 6322316, 7451301, 8024478, 9483474, 9935068, 14902602, 16048956, 17386369, 18966948, 29805204, 34772738, 52159107, 69545476, 104318214, 208636428]

約数ペア:

[(1, 208636428), (2, 104318214), (3, 69545476), (4, 52159107), (6, 34772738), (7, 29805204), (11, 18966948), (12, 17386369), (13, 16048956), (14, 14902602), (21, 9935068), (22, 9483474), (26, 8024478), (28, 7451301), (33, 6322316), (39, 5349652), (42, 4967534), (44, 4741737), (52, 4012239), (66, 3161158), (77, 2709564), (78, 2674826), (84, 2483767), (91, 2292708), (121, 1724268), (132, 1580579), (143, 1458996), (154, 1354782), (156, 1337413), (182, 1146354), (231, 903188), (242, 862134), (273, 764236), (286, 729498), (308, 677391), (363, 574756), (364, 573177), (429, 486332), (462, 451594), (484, 431067), (546, 382118), (572, 364749), (726, 287378), (847, 246324), (858, 243166), (924, 225797), (1001, 208428), (1092, 191059), (1452, 143689), (1573, 132636), (1579, 132132), (1694, 123162), (1716, 121583), (2002, 104214), (2541, 82108), (3003, 69476), (3146, 66318), (3158, 66066), (3388, 61581), (4004, 52107), (4719, 44212), (4737, 44044), (5082, 41054), (6006, 34738), (6292, 33159), (6316, 33033), (9438, 22106), (9474, 22022), (10164, 20527), (11011, 18948), (11053, 18876), (12012, 17369)]