217828324

素因数分解:

$2^2\times 7^4\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:682

約数の個数: 60

約数和(自身を含む): 457470524

約数和(自身を除く): 239642200

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 613, 686, 1036, 1226, 1372, 1813, 2401, 2452, 3626, 4291, 4802, 7252, 8582, 9604, 12691, 17164, 22681, 25382, 30037, 45362, 50764, 60074, 88837, 90724, 120148, 158767, 177674, 210259, 317534, 355348, 420518, 635068, 841036, 1111369, 1471813, 2222738, 2943626, 4445476, 5887252, 7779583, 15559166, 31118332, 54457081, 108914162, 217828324]

約数ペア:

[(1, 217828324), (2, 108914162), (4, 54457081), (7, 31118332), (14, 15559166), (28, 7779583), (37, 5887252), (49, 4445476), (74, 2943626), (98, 2222738), (148, 1471813), (196, 1111369), (259, 841036), (343, 635068), (518, 420518), (613, 355348), (686, 317534), (1036, 210259), (1226, 177674), (1372, 158767), (1813, 120148), (2401, 90724), (2452, 88837), (3626, 60074), (4291, 50764), (4802, 45362), (7252, 30037), (8582, 25382), (9604, 22681), (12691, 17164)]