68439488

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1981

約数の個数: 56

約数和(自身を含む): 149736048

約数和(自身を除く): 81296560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 1913, 2236, 2752, 3826, 4472, 7652, 8944, 15304, 17888, 24869, 30608, 35776, 49738, 61216, 82259, 99476, 122432, 164518, 198952, 329036, 397904, 658072, 795808, 1069367, 1316144, 1591616, 2138734, 2632288, 4277468, 5264576, 8554936, 17109872, 34219744, 68439488]

約数ペア:

[(1, 68439488), (2, 34219744), (4, 17109872), (8, 8554936), (13, 5264576), (16, 4277468), (26, 2632288), (32, 2138734), (43, 1591616), (52, 1316144), (64, 1069367), (86, 795808), (104, 658072), (172, 397904), (208, 329036), (344, 198952), (416, 164518), (559, 122432), (688, 99476), (832, 82259), (1118, 61216), (1376, 49738), (1913, 35776), (2236, 30608), (2752, 24869), (3826, 17888), (4472, 15304), (7652, 8944)]