221497646

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{419}}^1\times {\mathrm{2617}}^1$

素因数の和:3139

約数の個数: 16

約数和(自身を含む): 336465360

約数和(自身を除く): 114967714

約数列:

[1, 2, 101, 202, 419, 838, 2617, 5234, 42319, 84638, 264317, 528634, 1096523, 2193046, 110748823, 221497646]

約数ペア:

[(1, 221497646), (2, 110748823), (101, 2193046), (202, 1096523), (419, 528634), (838, 264317), (2617, 84638), (5234, 42319)]