81621144

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 242695440

約数和(自身を除く): 161074296

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 257, 264, 396, 401, 514, 771, 792, 802, 1028, 1203, 1542, 1604, 2056, 2313, 2406, 2827, 3084, 3208, 3609, 4411, 4626, 4812, 5654, 6168, 7218, 8481, 8822, 9252, 9624, 11308, 13233, 14436, 16962, 17644, 18504, 22616, 25443, 26466, 28872, 33924, 35288, 39699, 50886, 52932, 67848, 79398, 101772, 103057, 105864, 158796, 203544, 206114, 309171, 317592, 412228, 618342, 824456, 927513, 1133627, 1236684, 1855026, 2267254, 2473368, 3400881, 3710052, 4534508, 6801762, 7420104, 9069016, 10202643, 13603524, 20405286, 27207048, 40810572, 81621144]

約数ペア:

[(1, 81621144), (2, 40810572), (3, 27207048), (4, 20405286), (6, 13603524), (8, 10202643), (9, 9069016), (11, 7420104), (12, 6801762), (18, 4534508), (22, 3710052), (24, 3400881), (33, 2473368), (36, 2267254), (44, 1855026), (66, 1236684), (72, 1133627), (88, 927513), (99, 824456), (132, 618342), (198, 412228), (257, 317592), (264, 309171), (396, 206114), (401, 203544), (514, 158796), (771, 105864), (792, 103057), (802, 101772), (1028, 79398), (1203, 67848), (1542, 52932), (1604, 50886), (2056, 39699), (2313, 35288), (2406, 33924), (2827, 28872), (3084, 26466), (3208, 25443), (3609, 22616), (4411, 18504), (4626, 17644), (4812, 16962), (5654, 14436), (6168, 13233), (7218, 11308), (8481, 9624), (8822, 9252)]