31591648

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 70383600

約数和(自身を除く): 38791952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 121, 164, 176, 199, 242, 328, 352, 398, 451, 484, 656, 796, 902, 968, 1312, 1592, 1804, 1936, 2189, 3184, 3608, 3872, 4378, 4961, 6368, 7216, 8159, 8756, 9922, 14432, 16318, 17512, 19844, 24079, 32636, 35024, 39688, 48158, 65272, 70048, 79376, 89749, 96316, 130544, 158752, 179498, 192632, 261088, 358996, 385264, 717992, 770528, 987239, 1435984, 1974478, 2871968, 3948956, 7897912, 15795824, 31591648]

約数ペア:

[(1, 31591648), (2, 15795824), (4, 7897912), (8, 3948956), (11, 2871968), (16, 1974478), (22, 1435984), (32, 987239), (41, 770528), (44, 717992), (82, 385264), (88, 358996), (121, 261088), (164, 192632), (176, 179498), (199, 158752), (242, 130544), (328, 96316), (352, 89749), (398, 79376), (451, 70048), (484, 65272), (656, 48158), (796, 39688), (902, 35024), (968, 32636), (1312, 24079), (1592, 19844), (1804, 17512), (1936, 16318), (2189, 14432), (3184, 9922), (3608, 8756), (3872, 8159), (4378, 7216), (4961, 6368)]