7289486590

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1\times {\mathrm{4507}}^1$

素因数の和:5532

約数の個数: 32

約数和(自身を含む): 13206672864

約数和(自身を除く): 5917186274

約数列:

[1, 2, 5, 10, 197, 394, 821, 985, 1642, 1970, 4105, 4507, 8210, 9014, 22535, 45070, 161737, 323474, 808685, 887879, 1617370, 1775758, 3700247, 4439395, 7400494, 8878790, 18501235, 37002470, 728948659, 1457897318, 3644743295, 7289486590]

約数ペア:

[(1, 7289486590), (2, 3644743295), (5, 1457897318), (10, 728948659), (197, 37002470), (394, 18501235), (821, 8878790), (985, 7400494), (1642, 4439395), (1970, 3700247), (4105, 1775758), (4507, 1617370), (8210, 887879), (9014, 808685), (22535, 323474), (45070, 161737)]