256943967

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{719731}}^1$

素因数の和:719758

約数の個数: 16

約数和(自身を含む): 414565632

約数和(自身を除く): 157621665

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 719731, 2159193, 5038117, 12235427, 15114351, 36706281, 85647989, 256943967]

約数ペア:

[(1, 256943967), (3, 85647989), (7, 36706281), (17, 15114351), (21, 12235427), (51, 5038117), (119, 2159193), (357, 719731)]