840686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 1617408

約数和(自身を除く): 776722

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 103, 106, 154, 206, 371, 583, 721, 742, 1133, 1166, 1442, 2266, 4081, 5459, 7931, 8162, 10918, 15862, 38213, 60049, 76426, 120098, 420343, 840686]

約数ペア:

[(1, 840686), (2, 420343), (7, 120098), (11, 76426), (14, 60049), (22, 38213), (53, 15862), (77, 10918), (103, 8162), (106, 7931), (154, 5459), (206, 4081), (371, 2266), (583, 1442), (721, 1166), (742, 1133)]