220525438

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{2027}}^1$

素因数の和:2464

約数の個数: 32

約数和(自身を含む): 399110400

約数和(自身を除く): 178584962

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 409, 818, 2027, 2863, 4054, 5726, 7771, 14189, 15542, 28378, 38513, 54397, 77026, 108794, 269591, 539182, 829043, 1658086, 5803301, 11606602, 15751817, 31503634, 110262719, 220525438]

約数ペア:

[(1, 220525438), (2, 110262719), (7, 31503634), (14, 15751817), (19, 11606602), (38, 5803301), (133, 1658086), (266, 829043), (409, 539182), (818, 269591), (2027, 108794), (2863, 77026), (4054, 54397), (5726, 38513), (7771, 28378), (14189, 15542)]