28921570

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 53502768

約数和(自身を除く): 24581198

約数列:

[1, 2, 5, 10, 53, 106, 197, 265, 277, 394, 530, 554, 985, 1385, 1970, 2770, 10441, 14681, 20882, 29362, 52205, 54569, 73405, 104410, 109138, 146810, 272845, 545690, 2892157, 5784314, 14460785, 28921570]

約数ペア:

[(1, 28921570), (2, 14460785), (5, 5784314), (10, 2892157), (53, 545690), (106, 272845), (197, 146810), (265, 109138), (277, 104410), (394, 73405), (530, 54569), (554, 52205), (985, 29362), (1385, 20882), (1970, 14681), (2770, 10441)]