142720466

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{328849}}^1$

素因数の和:328889

約数の個数: 16

約数和(自身を含む): 252556800

約数和(自身を除く): 109836334

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 328849, 657698, 2301943, 4603886, 10194319, 20388638, 71360233, 142720466]

約数ペア:

[(1, 142720466), (2, 71360233), (7, 20388638), (14, 10194319), (31, 4603886), (62, 2301943), (217, 657698), (434, 328849)]