1998256

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:773

約数の個数: 30

約数和(自身を含む): 4198020

約数和(自身を除く): 2199764

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 739, 1352, 1478, 2704, 2956, 5912, 9607, 11824, 19214, 38428, 76856, 124891, 153712, 249782, 499564, 999128, 1998256]

約数ペア:

[(1, 1998256), (2, 999128), (4, 499564), (8, 249782), (13, 153712), (16, 124891), (26, 76856), (52, 38428), (104, 19214), (169, 11824), (208, 9607), (338, 5912), (676, 2956), (739, 2704), (1352, 1478)]