81391872

素因数分解:

$2^8\times 3^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 218544480

約数和(自身を除く): 137152608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 256, 262, 384, 393, 524, 768, 786, 809, 1048, 1572, 1618, 2096, 2427, 3144, 3236, 4192, 4854, 6288, 6472, 8384, 9708, 12576, 12944, 16768, 19416, 25152, 25888, 33536, 38832, 50304, 51776, 77664, 100608, 103552, 105979, 155328, 207104, 211958, 310656, 317937, 423916, 621312, 635874, 847832, 1271748, 1695664, 2543496, 3391328, 5086992, 6782656, 10173984, 13565312, 20347968, 27130624, 40695936, 81391872]

約数ペア:

[(1, 81391872), (2, 40695936), (3, 27130624), (4, 20347968), (6, 13565312), (8, 10173984), (12, 6782656), (16, 5086992), (24, 3391328), (32, 2543496), (48, 1695664), (64, 1271748), (96, 847832), (128, 635874), (131, 621312), (192, 423916), (256, 317937), (262, 310656), (384, 211958), (393, 207104), (524, 155328), (768, 105979), (786, 103552), (809, 100608), (1048, 77664), (1572, 51776), (1618, 50304), (2096, 38832), (2427, 33536), (3144, 25888), (3236, 25152), (4192, 19416), (4854, 16768), (6288, 12944), (6472, 12576), (8384, 9708)]