173838990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{445741}}^1$

素因数の和:445764

約数の個数: 32

約数和(自身を含む): 449307936

約数和(自身を除く): 275468946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 445741, 891482, 1337223, 2228705, 2674446, 4457410, 5794633, 6686115, 11589266, 13372230, 17383899, 28973165, 34767798, 57946330, 86919495, 173838990]

約数ペア:

[(1, 173838990), (2, 86919495), (3, 57946330), (5, 34767798), (6, 28973165), (10, 17383899), (13, 13372230), (15, 11589266), (26, 6686115), (30, 5794633), (39, 4457410), (65, 2674446), (78, 2228705), (130, 1337223), (195, 891482), (390, 445741)]