8645244

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 20885760

約数和(自身を除く): 12240516

約数列:

[1, 2, 3, 4, 6, 12, 71, 73, 139, 142, 146, 213, 219, 278, 284, 292, 417, 426, 438, 556, 834, 852, 876, 1668, 5183, 9869, 10147, 10366, 15549, 19738, 20294, 20732, 29607, 30441, 31098, 39476, 40588, 59214, 60882, 62196, 118428, 121764, 720437, 1440874, 2161311, 2881748, 4322622, 8645244]

約数ペア:

[(1, 8645244), (2, 4322622), (3, 2881748), (4, 2161311), (6, 1440874), (12, 720437), (71, 121764), (73, 118428), (139, 62196), (142, 60882), (146, 59214), (213, 40588), (219, 39476), (278, 31098), (284, 30441), (292, 29607), (417, 20732), (426, 20294), (438, 19738), (556, 15549), (834, 10366), (852, 10147), (876, 9869), (1668, 5183)]