90318128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{863}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 181702656

約数和(自身を除く): 91384528

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 211, 248, 422, 496, 844, 863, 1688, 1726, 3376, 3452, 6541, 6904, 13082, 13808, 26164, 26753, 52328, 53506, 104656, 107012, 182093, 214024, 364186, 428048, 728372, 1456744, 2913488, 5644883, 11289766, 22579532, 45159064, 90318128]

約数ペア:

[(1, 90318128), (2, 45159064), (4, 22579532), (8, 11289766), (16, 5644883), (31, 2913488), (62, 1456744), (124, 728372), (211, 428048), (248, 364186), (422, 214024), (496, 182093), (844, 107012), (863, 104656), (1688, 53506), (1726, 52328), (3376, 26753), (3452, 26164), (6541, 13808), (6904, 13082)]