2019370997

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{255973}}^1$

素因数の和:256017

約数の個数: 16

約数和(自身を含む): 2457350400

約数和(自身を除く): 437979403

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 255973, 1791811, 5887379, 12542677, 41211653, 87798739, 288481571, 2019370997]

約数ペア:

[(1, 2019370997), (7, 288481571), (23, 87798739), (49, 41211653), (161, 12542677), (343, 5887379), (1127, 1791811), (7889, 255973)]