259401424

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{395429}}^1$

素因数の和:395478

約数の個数: 20

約数和(自身を含む): 514849860

約数和(自身を除く): 255448436

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 395429, 790858, 1581716, 3163432, 6326864, 16212589, 32425178, 64850356, 129700712, 259401424]

約数ペア:

[(1, 259401424), (2, 129700712), (4, 64850356), (8, 32425178), (16, 16212589), (41, 6326864), (82, 3163432), (164, 1581716), (328, 790858), (656, 395429)]