213674945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{168913}}^1$

素因数の和:168952

約数の個数: 16

約数和(自身を含む): 291883392

約数和(自身を除く): 78208447

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 168913, 844565, 1858043, 3884999, 9290215, 19424995, 42734989, 213674945]

約数ペア:

[(1, 213674945), (5, 42734989), (11, 19424995), (23, 9290215), (55, 3884999), (115, 1858043), (253, 844565), (1265, 168913)]