7986810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20502

約数の個数: 32

約数和(自身を含む): 20643840

約数和(自身を除く): 12657030

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20479, 40958, 61437, 102395, 122874, 204790, 266227, 307185, 532454, 614370, 798681, 1331135, 1597362, 2662270, 3993405, 7986810]

約数ペア:

[(1, 7986810), (2, 3993405), (3, 2662270), (5, 1597362), (6, 1331135), (10, 798681), (13, 614370), (15, 532454), (26, 307185), (30, 266227), (39, 204790), (65, 122874), (78, 102395), (130, 61437), (195, 40958), (390, 20479)]