260144

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 20

約数和(自身を含む): 513360

約数和(自身を除く): 253216

約数列:

[1, 2, 4, 8, 16, 71, 142, 229, 284, 458, 568, 916, 1136, 1832, 3664, 16259, 32518, 65036, 130072, 260144]

約数ペア:

[(1, 260144), (2, 130072), (4, 65036), (8, 32518), (16, 16259), (71, 3664), (142, 1832), (229, 1136), (284, 916), (458, 568)]