197531999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{5779}}^1$

素因数の和:6062

約数の個数: 16

約数和(自身を含む): 238598400

約数和(自身を除く): 41066401

約数列:

[1, 7, 19, 133, 257, 1799, 4883, 5779, 34181, 40453, 109801, 768607, 1485203, 10396421, 28218857, 197531999]

約数ペア:

[(1, 197531999), (7, 28218857), (19, 10396421), (133, 1485203), (257, 768607), (1799, 109801), (4883, 40453), (5779, 34181)]