81970532

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 179636184

約数和(自身を除く): 97665652

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 73, 98, 119, 146, 196, 238, 292, 337, 476, 511, 674, 833, 1022, 1241, 1348, 1666, 2044, 2359, 2482, 3332, 3577, 4718, 4964, 5729, 7154, 8687, 9436, 11458, 14308, 16513, 17374, 22916, 24601, 33026, 34748, 40103, 49202, 60809, 66052, 80206, 98404, 121618, 160412, 172207, 243236, 280721, 344414, 418217, 561442, 688828, 836434, 1122884, 1205449, 1672868, 2410898, 2927519, 4821796, 5855038, 11710076, 20492633, 40985266, 81970532]

約数ペア:

[(1, 81970532), (2, 40985266), (4, 20492633), (7, 11710076), (14, 5855038), (17, 4821796), (28, 2927519), (34, 2410898), (49, 1672868), (68, 1205449), (73, 1122884), (98, 836434), (119, 688828), (146, 561442), (196, 418217), (238, 344414), (292, 280721), (337, 243236), (476, 172207), (511, 160412), (674, 121618), (833, 98404), (1022, 80206), (1241, 66052), (1348, 60809), (1666, 49202), (2044, 40103), (2359, 34748), (2482, 33026), (3332, 24601), (3577, 22916), (4718, 17374), (4964, 16513), (5729, 14308), (7154, 11458), (8687, 9436)]