223428779

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 265619088

約数和(自身を除く): 42190309

約数列:

[1, 7, 49, 83, 137, 401, 581, 959, 2807, 4067, 6713, 11371, 19649, 33283, 54937, 79597, 232981, 384559, 557179, 1630867, 2691913, 4559771, 31918397, 223428779]

約数ペア:

[(1, 223428779), (7, 31918397), (49, 4559771), (83, 2691913), (137, 1630867), (401, 557179), (581, 384559), (959, 232981), (2807, 79597), (4067, 54937), (6713, 33283), (11371, 19649)]