81427398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{19697}}^1$

素因数の和:19768

約数の個数: 32

約数和(自身を含む): 178700256

約数和(自身を除く): 97272858

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 19697, 39394, 59091, 118182, 256061, 512122, 768183, 1043941, 1536366, 2087882, 3131823, 6263646, 13571233, 27142466, 40713699, 81427398]

約数ペア:

[(1, 81427398), (2, 40713699), (3, 27142466), (6, 13571233), (13, 6263646), (26, 3131823), (39, 2087882), (53, 1536366), (78, 1043941), (106, 768183), (159, 512122), (318, 256061), (689, 118182), (1378, 59091), (2067, 39394), (4134, 19697)]