81621936

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^2$

素因数の和:479

約数の個数: 90

約数和(自身を含む): 250296852

約数和(自身を除く): 168674916

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 227, 264, 396, 454, 528, 681, 792, 908, 1362, 1584, 1816, 2043, 2497, 2724, 3632, 4086, 4994, 5448, 7491, 8172, 9988, 10896, 14982, 16344, 19976, 22473, 29964, 32688, 39952, 44946, 51529, 59928, 89892, 103058, 119856, 154587, 179784, 206116, 309174, 359568, 412232, 463761, 566819, 618348, 824464, 927522, 1133638, 1236696, 1700457, 1855044, 2267276, 2473392, 3400914, 3710088, 4534552, 5101371, 6801828, 7420176, 9069104, 10202742, 13603656, 20405484, 27207312, 40810968, 81621936]

約数ペア:

[(1, 81621936), (2, 40810968), (3, 27207312), (4, 20405484), (6, 13603656), (8, 10202742), (9, 9069104), (11, 7420176), (12, 6801828), (16, 5101371), (18, 4534552), (22, 3710088), (24, 3400914), (33, 2473392), (36, 2267276), (44, 1855044), (48, 1700457), (66, 1236696), (72, 1133638), (88, 927522), (99, 824464), (132, 618348), (144, 566819), (176, 463761), (198, 412232), (227, 359568), (264, 309174), (396, 206116), (454, 179784), (528, 154587), (681, 119856), (792, 103058), (908, 89892), (1362, 59928), (1584, 51529), (1816, 44946), (2043, 39952), (2497, 32688), (2724, 29964), (3632, 22473), (4086, 19976), (4994, 16344), (5448, 14982), (7491, 10896), (8172, 9988)]