16981118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3557}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 32790528

約数和(自身を除く): 15809410

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 3557, 4774, 7114, 24899, 39127, 49798, 78254, 110267, 220534, 273889, 547778, 771869, 1212937, 1543738, 2425874, 8490559, 16981118]

約数ペア:

[(1, 16981118), (2, 8490559), (7, 2425874), (11, 1543738), (14, 1212937), (22, 771869), (31, 547778), (62, 273889), (77, 220534), (154, 110267), (217, 78254), (341, 49798), (434, 39127), (682, 24899), (2387, 7114), (3557, 4774)]