81533656

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{20023}}^1$

素因数の和:20538

約数の個数: 16

約数和(自身を含む): 153183600

約数和(自身を除く): 71649944

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 20023, 40046, 80092, 160184, 10191707, 20383414, 40766828, 81533656]

約数ペア:

[(1, 81533656), (2, 40766828), (4, 20383414), (8, 10191707), (509, 160184), (1018, 80092), (2036, 40046), (4072, 20023)]