7247890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 14192640

約数和(自身を除く): 6944750

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 439, 635, 878, 1270, 1651, 2195, 3302, 4390, 5707, 8255, 11414, 16510, 28535, 55753, 57070, 111506, 278765, 557530, 724789, 1449578, 3623945, 7247890]

約数ペア:

[(1, 7247890), (2, 3623945), (5, 1449578), (10, 724789), (13, 557530), (26, 278765), (65, 111506), (127, 57070), (130, 55753), (254, 28535), (439, 16510), (635, 11414), (878, 8255), (1270, 5707), (1651, 4390), (2195, 3302)]