219925391

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1\times {\mathrm{1213}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 256396800

約数和(自身を除く): 36471409

約数列:

[1, 7, 59, 413, 439, 1213, 3073, 8491, 25901, 71567, 181307, 500969, 532507, 3727549, 31417913, 219925391]

約数ペア:

[(1, 219925391), (7, 31417913), (59, 3727549), (413, 532507), (439, 500969), (1213, 181307), (3073, 71567), (8491, 25901)]