255953854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2087}}^1$

素因数の和:2244

約数の個数: 32

約数和(自身を含む): 426202560

約数和(自身を除く): 170248706

約数列:

[1, 2, 13, 26, 53, 89, 106, 178, 689, 1157, 1378, 2087, 2314, 4174, 4717, 9434, 27131, 54262, 61321, 110611, 122642, 185743, 221222, 371486, 1437943, 2414659, 2875886, 4829318, 9844379, 19688758, 127976927, 255953854]

約数ペア:

[(1, 255953854), (2, 127976927), (13, 19688758), (26, 9844379), (53, 4829318), (89, 2875886), (106, 2414659), (178, 1437943), (689, 371486), (1157, 221222), (1378, 185743), (2087, 122642), (2314, 110611), (4174, 61321), (4717, 54262), (9434, 27131)]