157021235

素因数分解:

$5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 219864960

約数和(自身を除く): 62843725

約数列:

[1, 5, 7, 35, 49, 245, 409, 1567, 2045, 2863, 7835, 10969, 14315, 20041, 54845, 76783, 100205, 383915, 640903, 3204515, 4486321, 22431605, 31404247, 157021235]

約数ペア:

[(1, 157021235), (5, 31404247), (7, 22431605), (35, 4486321), (49, 3204515), (245, 640903), (409, 383915), (1567, 100205), (2045, 76783), (2863, 54845), (7835, 20041), (10969, 14315)]