388142430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{995237}}^1$

素因数の和:995260

約数の個数: 32

約数和(自身を含む): 1003199904

約数和(自身を除く): 615057474

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 995237, 1990474, 2985711, 4976185, 5971422, 9952370, 12938081, 14928555, 25876162, 29857110, 38814243, 64690405, 77628486, 129380810, 194071215, 388142430]

約数ペア:

[(1, 388142430), (2, 194071215), (3, 129380810), (5, 77628486), (6, 64690405), (10, 38814243), (13, 29857110), (15, 25876162), (26, 14928555), (30, 12938081), (39, 9952370), (65, 5971422), (78, 4976185), (130, 2985711), (195, 1990474), (390, 995237)]