215791639

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 261424800

約数和(自身を除く): 45633161

約数列:

[1, 7, 29, 49, 181, 203, 839, 1267, 1421, 5249, 5873, 8869, 24331, 36743, 41111, 151859, 170317, 257201, 1063013, 1192219, 4403911, 7441091, 30827377, 215791639]

約数ペア:

[(1, 215791639), (7, 30827377), (29, 7441091), (49, 4403911), (181, 1192219), (203, 1063013), (839, 257201), (1267, 170317), (1421, 151859), (5249, 41111), (5873, 36743), (8869, 24331)]