401049872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{28069}}^1$

素因数の和:28143

約数の個数: 40

約数和(自身を含む): 835363200

約数和(自身を除く): 434313328

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 28069, 56138, 112276, 224552, 449104, 533311, 1066622, 1319243, 2133244, 2638486, 4266488, 5276972, 8532976, 10553944, 21107888, 25065617, 50131234, 100262468, 200524936, 401049872]

約数ペア:

[(1, 401049872), (2, 200524936), (4, 100262468), (8, 50131234), (16, 25065617), (19, 21107888), (38, 10553944), (47, 8532976), (76, 5276972), (94, 4266488), (152, 2638486), (188, 2133244), (304, 1319243), (376, 1066622), (752, 533311), (893, 449104), (1786, 224552), (3572, 112276), (7144, 56138), (14288, 28069)]