1280422

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 2336544

約数和(自身を除く): 1056122

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 121, 143, 242, 286, 407, 481, 814, 962, 1331, 1573, 2662, 3146, 4477, 5291, 8954, 10582, 17303, 34606, 49247, 58201, 98494, 116402, 640211, 1280422]

約数ペア:

[(1, 1280422), (2, 640211), (11, 116402), (13, 98494), (22, 58201), (26, 49247), (37, 34606), (74, 17303), (121, 10582), (143, 8954), (242, 5291), (286, 4477), (407, 3146), (481, 2662), (814, 1573), (962, 1331)]