1070405

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 1588248

約数和(自身を除く): 517843

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 257, 595, 833, 1285, 1799, 4165, 4369, 8995, 12593, 21845, 30583, 62965, 152915, 214081, 1070405]

約数ペア:

[(1, 1070405), (5, 214081), (7, 152915), (17, 62965), (35, 30583), (49, 21845), (85, 12593), (119, 8995), (245, 4369), (257, 4165), (595, 1799), (833, 1285)]