16989674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 11750422

約数列:

[1, 2, 13, 26, 31, 62, 107, 197, 214, 394, 403, 806, 1391, 2561, 2782, 3317, 5122, 6107, 6634, 12214, 21079, 42158, 43121, 79391, 86242, 158782, 274027, 548054, 653449, 1306898, 8494837, 16989674]

約数ペア:

[(1, 16989674), (2, 8494837), (13, 1306898), (26, 653449), (31, 548054), (62, 274027), (107, 158782), (197, 86242), (214, 79391), (394, 43121), (403, 42158), (806, 21079), (1391, 12214), (2561, 6634), (2782, 6107), (3317, 5122)]