81644590

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{12503}}^1$

素因数の和:13163

約数の個数: 16

約数和(自身を含む): 147197088

約数和(自身を除く): 65552498

約数列:

[1, 2, 5, 10, 653, 1306, 3265, 6530, 12503, 25006, 62515, 125030, 8164459, 16328918, 40822295, 81644590]

約数ペア:

[(1, 81644590), (2, 40822295), (5, 16328918), (10, 8164459), (653, 125030), (1306, 62515), (3265, 25006), (6530, 12503)]