156640805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{23327}}^1$

素因数の和:23428

約数の個数: 16

約数和(自身を含む): 201553920

約数和(自身を除く): 44913115

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 23327, 116635, 396559, 1842833, 1982795, 9214165, 31328161, 156640805]

約数ペア:

[(1, 156640805), (5, 31328161), (17, 9214165), (79, 1982795), (85, 1842833), (395, 396559), (1343, 116635), (6715, 23327)]