81675968

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 84

約数和(自身を含む): 182422800

約数和(自身を除く): 100746832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 121, 176, 199, 212, 242, 352, 398, 424, 484, 583, 704, 796, 848, 968, 1166, 1592, 1696, 1936, 2189, 2332, 3184, 3392, 3872, 4378, 4664, 6368, 6413, 7744, 8756, 9328, 10547, 12736, 12826, 17512, 18656, 21094, 24079, 25652, 35024, 37312, 42188, 48158, 51304, 70048, 84376, 96316, 102608, 116017, 140096, 168752, 192632, 205216, 232034, 337504, 385264, 410432, 464068, 675008, 770528, 928136, 1276187, 1541056, 1856272, 2552374, 3712544, 5104748, 7425088, 10209496, 20418992, 40837984, 81675968]

約数ペア:

[(1, 81675968), (2, 40837984), (4, 20418992), (8, 10209496), (11, 7425088), (16, 5104748), (22, 3712544), (32, 2552374), (44, 1856272), (53, 1541056), (64, 1276187), (88, 928136), (106, 770528), (121, 675008), (176, 464068), (199, 410432), (212, 385264), (242, 337504), (352, 232034), (398, 205216), (424, 192632), (484, 168752), (583, 140096), (704, 116017), (796, 102608), (848, 96316), (968, 84376), (1166, 70048), (1592, 51304), (1696, 48158), (1936, 42188), (2189, 37312), (2332, 35024), (3184, 25652), (3392, 24079), (3872, 21094), (4378, 18656), (4664, 17512), (6368, 12826), (6413, 12736), (7744, 10547), (8756, 9328)]