1390312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 3392640

約数和(自身を除く): 2002328

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 61, 74, 77, 88, 122, 148, 154, 244, 259, 296, 308, 407, 427, 488, 518, 616, 671, 814, 854, 1036, 1342, 1628, 1708, 2072, 2257, 2684, 2849, 3256, 3416, 4514, 4697, 5368, 5698, 9028, 9394, 11396, 15799, 18056, 18788, 22792, 24827, 31598, 37576, 49654, 63196, 99308, 126392, 173789, 198616, 347578, 695156, 1390312]

約数ペア:

[(1, 1390312), (2, 695156), (4, 347578), (7, 198616), (8, 173789), (11, 126392), (14, 99308), (22, 63196), (28, 49654), (37, 37576), (44, 31598), (56, 24827), (61, 22792), (74, 18788), (77, 18056), (88, 15799), (122, 11396), (148, 9394), (154, 9028), (244, 5698), (259, 5368), (296, 4697), (308, 4514), (407, 3416), (427, 3256), (488, 2849), (518, 2684), (616, 2257), (671, 2072), (814, 1708), (854, 1628), (1036, 1342)]