2105123872

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{54503}}^1$

素因数の和:54601

約数の個数: 48

約数和(自身を含む): 4450142592

約数和(自身を除く): 2345018720

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 71, 136, 142, 272, 284, 544, 568, 1136, 1207, 2272, 2414, 4828, 9656, 19312, 38624, 54503, 109006, 218012, 436024, 872048, 926551, 1744096, 1853102, 3706204, 3869713, 7412408, 7739426, 14824816, 15478852, 29649632, 30957704, 61915408, 65785121, 123830816, 131570242, 263140484, 526280968, 1052561936, 2105123872]

約数ペア:

[(1, 2105123872), (2, 1052561936), (4, 526280968), (8, 263140484), (16, 131570242), (17, 123830816), (32, 65785121), (34, 61915408), (68, 30957704), (71, 29649632), (136, 15478852), (142, 14824816), (272, 7739426), (284, 7412408), (544, 3869713), (568, 3706204), (1136, 1853102), (1207, 1744096), (2272, 926551), (2414, 872048), (4828, 436024), (9656, 218012), (19312, 109006), (38624, 54503)]