201946576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 438902464

約数和(自身を除く): 236955888

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 67, 86, 104, 134, 172, 208, 268, 337, 344, 536, 559, 674, 688, 871, 1072, 1118, 1348, 1742, 2236, 2696, 2881, 3484, 4381, 4472, 5392, 5762, 6968, 8762, 8944, 11524, 13936, 14491, 17524, 22579, 23048, 28982, 35048, 37453, 45158, 46096, 57964, 70096, 74906, 90316, 115928, 149812, 180632, 188383, 231856, 293527, 299624, 361264, 376766, 587054, 599248, 753532, 970897, 1174108, 1507064, 1941794, 2348216, 3014128, 3883588, 4696432, 7767176, 12621661, 15534352, 25243322, 50486644, 100973288, 201946576]

約数ペア:

[(1, 201946576), (2, 100973288), (4, 50486644), (8, 25243322), (13, 15534352), (16, 12621661), (26, 7767176), (43, 4696432), (52, 3883588), (67, 3014128), (86, 2348216), (104, 1941794), (134, 1507064), (172, 1174108), (208, 970897), (268, 753532), (337, 599248), (344, 587054), (536, 376766), (559, 361264), (674, 299624), (688, 293527), (871, 231856), (1072, 188383), (1118, 180632), (1348, 149812), (1742, 115928), (2236, 90316), (2696, 74906), (2881, 70096), (3484, 57964), (4381, 46096), (4472, 45158), (5392, 37453), (5762, 35048), (6968, 28982), (8762, 23048), (8944, 22579), (11524, 17524), (13936, 14491)]