428951138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 834720768

約数和(自身を除く): 405769630

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 83, 154, 166, 259, 407, 518, 581, 814, 907, 913, 1162, 1814, 1826, 2849, 3071, 5698, 6142, 6349, 6391, 9977, 12698, 12782, 19954, 21497, 33559, 33781, 42994, 67118, 67562, 69839, 75281, 139678, 150562, 234913, 236467, 369149, 469826, 472934, 526967, 738298, 828091, 1053934, 1656182, 2584043, 2785397, 5168086, 5570794, 5796637, 11593274, 19497779, 30639367, 38995558, 61278734, 214475569, 428951138]

約数ペア:

[(1, 428951138), (2, 214475569), (7, 61278734), (11, 38995558), (14, 30639367), (22, 19497779), (37, 11593274), (74, 5796637), (77, 5570794), (83, 5168086), (154, 2785397), (166, 2584043), (259, 1656182), (407, 1053934), (518, 828091), (581, 738298), (814, 526967), (907, 472934), (913, 469826), (1162, 369149), (1814, 236467), (1826, 234913), (2849, 150562), (3071, 139678), (5698, 75281), (6142, 69839), (6349, 67562), (6391, 67118), (9977, 42994), (12698, 33781), (12782, 33559), (19954, 21497)]