816404407

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 1103872000

約数和(自身を除く): 287467593

約数列:

[1, 7, 13, 19, 43, 79, 91, 133, 139, 247, 301, 553, 559, 817, 973, 1027, 1501, 1729, 1807, 2641, 3397, 3913, 5719, 5977, 7189, 10507, 10621, 10981, 12649, 18487, 19513, 23779, 34333, 41839, 44161, 64543, 74347, 76867, 77701, 113563, 136591, 142753, 208639, 240331, 309127, 451801, 472183, 543907, 794941, 839059, 999271, 1460473, 1476319, 2712307, 3305281, 5873413, 6138379, 8971477, 10334233, 18986149, 42968653, 62800339, 116629201, 816404407]

約数ペア:

[(1, 816404407), (7, 116629201), (13, 62800339), (19, 42968653), (43, 18986149), (79, 10334233), (91, 8971477), (133, 6138379), (139, 5873413), (247, 3305281), (301, 2712307), (553, 1476319), (559, 1460473), (817, 999271), (973, 839059), (1027, 794941), (1501, 543907), (1729, 472183), (1807, 451801), (2641, 309127), (3397, 240331), (3913, 208639), (5719, 142753), (5977, 136591), (7189, 113563), (10507, 77701), (10621, 76867), (10981, 74347), (12649, 64543), (18487, 44161), (19513, 41839), (23779, 34333)]