27781096

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 62092800

約数和(自身を除く): 34311704

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 83, 86, 139, 166, 172, 278, 301, 332, 344, 556, 581, 602, 664, 973, 1112, 1162, 1204, 1946, 2324, 2408, 3569, 3892, 4648, 5977, 7138, 7784, 11537, 11954, 14276, 23074, 23908, 24983, 28552, 41839, 46148, 47816, 49966, 80759, 83678, 92296, 99932, 161518, 167356, 199864, 323036, 334712, 496091, 646072, 992182, 1984364, 3472637, 3968728, 6945274, 13890548, 27781096]

約数ペア:

[(1, 27781096), (2, 13890548), (4, 6945274), (7, 3968728), (8, 3472637), (14, 1984364), (28, 992182), (43, 646072), (56, 496091), (83, 334712), (86, 323036), (139, 199864), (166, 167356), (172, 161518), (278, 99932), (301, 92296), (332, 83678), (344, 80759), (556, 49966), (581, 47816), (602, 46148), (664, 41839), (973, 28552), (1112, 24983), (1162, 23908), (1204, 23074), (1946, 14276), (2324, 11954), (2408, 11537), (3569, 7784), (3892, 7138), (4648, 5977)]