1816490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 3583440

約数和(自身を除く): 1766950

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 157, 178, 314, 445, 785, 890, 1157, 1570, 2041, 2314, 4082, 5785, 10205, 11570, 13973, 20410, 27946, 69865, 139730, 181649, 363298, 908245, 1816490]

約数ペア:

[(1, 1816490), (2, 908245), (5, 363298), (10, 181649), (13, 139730), (26, 69865), (65, 27946), (89, 20410), (130, 13973), (157, 11570), (178, 10205), (314, 5785), (445, 4082), (785, 2314), (890, 2041), (1157, 1570)]