221438789

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{8951}}^1$

素因数の和:9148

約数の個数: 16

約数和(自身を含む): 261684864

約数和(自身を除く): 40246075

約数列:

[1, 11, 13, 143, 173, 1903, 2249, 8951, 24739, 98461, 116363, 1279993, 1548523, 17033753, 20130799, 221438789]

約数ペア:

[(1, 221438789), (11, 20130799), (13, 17033753), (143, 1548523), (173, 1279993), (1903, 116363), (2249, 98461), (8951, 24739)]