308997656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 664519680

約数和(自身を除く): 355522024

約数列:

[1, 2, 4, 8, 11, 22, 37, 43, 44, 74, 86, 88, 148, 172, 296, 344, 407, 473, 814, 946, 1591, 1628, 1892, 2207, 3182, 3256, 3784, 4414, 6364, 8828, 12728, 17501, 17656, 24277, 35002, 48554, 70004, 81659, 94901, 97108, 140008, 163318, 189802, 194216, 326636, 379604, 653272, 759208, 898249, 1043911, 1796498, 2087822, 3511337, 3592996, 4175644, 7022674, 7185992, 8351288, 14045348, 28090696, 38624707, 77249414, 154498828, 308997656]

約数ペア:

[(1, 308997656), (2, 154498828), (4, 77249414), (8, 38624707), (11, 28090696), (22, 14045348), (37, 8351288), (43, 7185992), (44, 7022674), (74, 4175644), (86, 3592996), (88, 3511337), (148, 2087822), (172, 1796498), (296, 1043911), (344, 898249), (407, 759208), (473, 653272), (814, 379604), (946, 326636), (1591, 194216), (1628, 189802), (1892, 163318), (2207, 140008), (3182, 97108), (3256, 94901), (3784, 81659), (4414, 70004), (6364, 48554), (8828, 35002), (12728, 24277), (17501, 17656)]