131285990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{32257}}^1$

素因数の和:32312

約数の個数: 32

約数和(自身を含む): 264773664

約数和(自身を除く): 133487674

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 32257, 64514, 161285, 322570, 354827, 709654, 1193509, 1774135, 2387018, 3548270, 5967545, 11935090, 13128599, 26257198, 65642995, 131285990]

約数ペア:

[(1, 131285990), (2, 65642995), (5, 26257198), (10, 13128599), (11, 11935090), (22, 5967545), (37, 3548270), (55, 2387018), (74, 1774135), (110, 1193509), (185, 709654), (370, 354827), (407, 322570), (814, 161285), (2035, 64514), (4070, 32257)]