42009988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6997}}^1$

素因数の和:7099

約数の個数: 24

約数和(自身を含む): 78377600

約数和(自身を除く): 36367612

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 6004, 6997, 13994, 27988, 132943, 265886, 531772, 552763, 1105526, 2211052, 10502497, 21004994, 42009988]

約数ペア:

[(1, 42009988), (2, 21004994), (4, 10502497), (19, 2211052), (38, 1105526), (76, 552763), (79, 531772), (158, 265886), (316, 132943), (1501, 27988), (3002, 13994), (6004, 6997)]