4427981999

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{129971}}^1$

素因数の和:130166

約数の個数: 16

約数和(自身を含む): 5257107456

約数和(自身を除く): 829125457

約数列:

[1, 7, 31, 157, 217, 1099, 4867, 34069, 129971, 909797, 4029101, 20405447, 28203707, 142838129, 632568857, 4427981999]

約数ペア:

[(1, 4427981999), (7, 632568857), (31, 142838129), (157, 28203707), (217, 20405447), (1099, 4029101), (4867, 909797), (34069, 129971)]