81213144

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{739}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 214896000

約数和(自身を除く): 133682856

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 241, 456, 482, 723, 739, 964, 1446, 1478, 1928, 2217, 2892, 2956, 4434, 4579, 5784, 5912, 8868, 9158, 13737, 14041, 17736, 18316, 27474, 28082, 36632, 42123, 54948, 56164, 84246, 109896, 112328, 168492, 178099, 336984, 356198, 534297, 712396, 1068594, 1424792, 2137188, 3383881, 4274376, 6767762, 10151643, 13535524, 20303286, 27071048, 40606572, 81213144]

約数ペア:

[(1, 81213144), (2, 40606572), (3, 27071048), (4, 20303286), (6, 13535524), (8, 10151643), (12, 6767762), (19, 4274376), (24, 3383881), (38, 2137188), (57, 1424792), (76, 1068594), (114, 712396), (152, 534297), (228, 356198), (241, 336984), (456, 178099), (482, 168492), (723, 112328), (739, 109896), (964, 84246), (1446, 56164), (1478, 54948), (1928, 42123), (2217, 36632), (2892, 28082), (2956, 27474), (4434, 18316), (4579, 17736), (5784, 14041), (5912, 13737), (8868, 9158)]