81993984

素因数分解:

$2^8\times 3^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 219623712

約数和(自身を除く): 137629728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 241, 256, 384, 443, 482, 723, 768, 886, 964, 1329, 1446, 1772, 1928, 2658, 2892, 3544, 3856, 5316, 5784, 7088, 7712, 10632, 11568, 14176, 15424, 21264, 23136, 28352, 30848, 42528, 46272, 56704, 61696, 85056, 92544, 106763, 113408, 170112, 185088, 213526, 320289, 340224, 427052, 640578, 854104, 1281156, 1708208, 2562312, 3416416, 5124624, 6832832, 10249248, 13665664, 20498496, 27331328, 40996992, 81993984]

約数ペア:

[(1, 81993984), (2, 40996992), (3, 27331328), (4, 20498496), (6, 13665664), (8, 10249248), (12, 6832832), (16, 5124624), (24, 3416416), (32, 2562312), (48, 1708208), (64, 1281156), (96, 854104), (128, 640578), (192, 427052), (241, 340224), (256, 320289), (384, 213526), (443, 185088), (482, 170112), (723, 113408), (768, 106763), (886, 92544), (964, 85056), (1329, 61696), (1446, 56704), (1772, 46272), (1928, 42528), (2658, 30848), (2892, 28352), (3544, 23136), (3856, 21264), (5316, 15424), (5784, 14176), (7088, 11568), (7712, 10632)]