161213185

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{5023}}^1$

素因数の和:5173

約数の個数: 24

約数和(自身を含む): 226803456

約数和(自身を除く): 65590271

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 917, 4585, 5023, 6419, 25115, 32095, 35161, 175805, 246127, 658013, 1230635, 3290065, 4606091, 23030455, 32242637, 161213185]

約数ペア:

[(1, 161213185), (5, 32242637), (7, 23030455), (35, 4606091), (49, 3290065), (131, 1230635), (245, 658013), (655, 246127), (917, 175805), (4585, 35161), (5023, 32095), (6419, 25115)]