643582745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{43237}}^1$

素因数の和:43484

約数の個数: 16

約数和(自身を含む): 835358160

約数和(自身を除く): 191775415

約数列:

[1, 5, 13, 65, 229, 1145, 2977, 14885, 43237, 216185, 562081, 2810405, 9901273, 49506365, 128716549, 643582745]

約数ペア:

[(1, 643582745), (5, 128716549), (13, 49506365), (65, 9901273), (229, 2810405), (1145, 562081), (2977, 216185), (14885, 43237)]