399200290321

素因数分解:

$7^1\times {\mathrm{397}}^1\times {\mathrm{653}}^1\times {\mathrm{219983}}^1$

素因数の和:221040

約数の個数: 16

約数和(自身を含む): 458080602624

約数和(自身を除く): 58880312303

約数列:

[1, 7, 397, 653, 2779, 4571, 219983, 259241, 1539881, 1814687, 87333251, 143648899, 611332757, 1005542293, 57028612903, 399200290321]

約数ペア:

[(1, 399200290321), (7, 57028612903), (397, 1005542293), (653, 611332757), (2779, 143648899), (4571, 87333251), (219983, 1814687), (259241, 1539881)]