215988254

素因数分解:

$2^1\times {\mathrm{383}}^1\times {\mathrm{457}}^1\times {\mathrm{617}}^1$

素因数の和:1459

約数の個数: 16

約数和(自身を含む): 326066688

約数和(自身を除く): 110078434

約数列:

[1, 2, 383, 457, 617, 766, 914, 1234, 175031, 236311, 281969, 350062, 472622, 563938, 107994127, 215988254]

約数ペア:

[(1, 215988254), (2, 107994127), (383, 563938), (457, 472622), (617, 350062), (766, 281969), (914, 236311), (1234, 175031)]