649845197

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{9001}}^1$

素因数の和:9140

約数の個数: 16

約数和(自身を含む): 703452288

約数和(自身を除く): 53607091

約数列:

[1, 23, 43, 73, 989, 1679, 3139, 9001, 72197, 207023, 387043, 657073, 8901989, 15112679, 28254139, 649845197]

約数ペア:

[(1, 649845197), (23, 28254139), (43, 15112679), (73, 8901989), (989, 657073), (1679, 387043), (3139, 207023), (9001, 72197)]