645359390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{39089}}^1$

素因数の和:39236

約数の個数: 32

約数和(自身を含む): 1260887040

約数和(自身を除く): 615527650

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 16510, 39089, 78178, 195445, 390890, 508157, 1016314, 2540785, 4964303, 5081570, 9928606, 24821515, 49643030, 64535939, 129071878, 322679695, 645359390]

約数ペア:

[(1, 645359390), (2, 322679695), (5, 129071878), (10, 64535939), (13, 49643030), (26, 24821515), (65, 9928606), (127, 5081570), (130, 4964303), (254, 2540785), (635, 1016314), (1270, 508157), (1651, 390890), (3302, 195445), (8255, 78178), (16510, 39089)]