156789241

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 182060928

約数和(自身を除く): 25271687

約数列:

[1, 7, 83, 421, 581, 641, 2947, 4487, 34943, 53203, 244601, 269861, 372421, 1889027, 22398463, 156789241]

約数ペア:

[(1, 156789241), (7, 22398463), (83, 1889027), (421, 372421), (581, 269861), (641, 244601), (2947, 53203), (4487, 34943)]