219923478

素因数分解:

$2^1\times 3^3\times {\mathrm{521}}^1\times {\mathrm{7817}}^1$

素因数の和:8349

約数の個数: 32

約数和(自身を含む): 489719520

約数和(自身を除く): 269796042

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 521, 1042, 1563, 3126, 4689, 7817, 9378, 14067, 15634, 23451, 28134, 46902, 70353, 140706, 211059, 422118, 4072657, 8145314, 12217971, 24435942, 36653913, 73307826, 109961739, 219923478]

約数ペア:

[(1, 219923478), (2, 109961739), (3, 73307826), (6, 36653913), (9, 24435942), (18, 12217971), (27, 8145314), (54, 4072657), (521, 422118), (1042, 211059), (1563, 140706), (3126, 70353), (4689, 46902), (7817, 28134), (9378, 23451), (14067, 15634)]