128247992

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{517129}}^1$

素因数の和:517166

約数の個数: 16

約数和(自身を含む): 248222400

約数和(自身を除く): 119974408

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 517129, 1034258, 2068516, 4137032, 16030999, 32061998, 64123996, 128247992]

約数ペア:

[(1, 128247992), (2, 64123996), (4, 32061998), (8, 16030999), (31, 4137032), (62, 2068516), (124, 1034258), (248, 517129)]