219794672

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{319469}}^1$

素因数の和:319520

約数の個数: 20

約数和(自身を含む): 435757080

約数和(自身を除く): 215962408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 319469, 638938, 1277876, 2555752, 5111504, 13737167, 27474334, 54948668, 109897336, 219794672]

約数ペア:

[(1, 219794672), (2, 109897336), (4, 54948668), (8, 27474334), (16, 13737167), (43, 5111504), (86, 2555752), (172, 1277876), (344, 638938), (688, 319469)]