127921390

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{73943}}^1$

素因数の和:74123

約数の個数: 16

約数和(自身を含む): 231592608

約数和(自身を除く): 103671218

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 73943, 147886, 369715, 739430, 12792139, 25584278, 63960695, 127921390]

約数ペア:

[(1, 127921390), (2, 63960695), (5, 25584278), (10, 12792139), (173, 739430), (346, 369715), (865, 147886), (1730, 73943)]