13207865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 18475776

約数和(自身を除く): 5267911

約数列:

[1, 5, 11, 23, 53, 55, 115, 197, 253, 265, 583, 985, 1219, 1265, 2167, 2915, 4531, 6095, 10441, 10835, 13409, 22655, 49841, 52205, 67045, 114851, 240143, 249205, 574255, 1200715, 2641573, 13207865]

約数ペア:

[(1, 13207865), (5, 2641573), (11, 1200715), (23, 574255), (53, 249205), (55, 240143), (115, 114851), (197, 67045), (253, 52205), (265, 49841), (583, 22655), (985, 13409), (1219, 10835), (1265, 10441), (2167, 6095), (2915, 4531)]