199152745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157433}}^1$

素因数の和:157472

約数の個数: 16

約数和(自身を含む): 272045952

約数和(自身を除く): 72893207

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 157433, 787165, 1731763, 3620959, 8658815, 18104795, 39830549, 199152745]

約数ペア:

[(1, 199152745), (5, 39830549), (11, 18104795), (23, 8658815), (55, 3620959), (115, 1731763), (253, 787165), (1265, 157433)]