813148130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{28723}}^1$

素因数の和:28898

約数の個数: 32

約数和(自身を含む): 1551096000

約数和(自身を除く): 737947870

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 5662, 14155, 28310, 28723, 57446, 143615, 287230, 545737, 1091474, 2728685, 4279727, 5457370, 8559454, 21398635, 42797270, 81314813, 162629626, 406574065, 813148130]

約数ペア:

[(1, 813148130), (2, 406574065), (5, 162629626), (10, 81314813), (19, 42797270), (38, 21398635), (95, 8559454), (149, 5457370), (190, 4279727), (298, 2728685), (745, 1091474), (1490, 545737), (2831, 287230), (5662, 143615), (14155, 57446), (28310, 28723)]