840843385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2153}}^1\times {\mathrm{4111}}^1$

素因数の和:6288

約数の個数: 16

約数和(自身を含む): 1062869760

約数和(自身を除く): 222026375

約数列:

[1, 5, 19, 95, 2153, 4111, 10765, 20555, 40907, 78109, 204535, 390545, 8850983, 44254915, 168168677, 840843385]

約数ペア:

[(1, 840843385), (5, 168168677), (19, 44254915), (95, 8850983), (2153, 390545), (4111, 204535), (10765, 78109), (20555, 40907)]