8891272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 19595520

約数和(自身を除く): 10704248

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 107, 136, 188, 214, 221, 376, 428, 442, 611, 799, 856, 884, 1222, 1391, 1598, 1768, 1819, 2444, 2782, 3196, 3638, 4888, 5029, 5564, 6392, 7276, 10058, 10387, 11128, 14552, 20116, 20774, 23647, 40232, 41548, 47294, 65377, 83096, 85493, 94588, 130754, 170986, 189176, 261508, 341972, 523016, 683944, 1111409, 2222818, 4445636, 8891272]

約数ペア:

[(1, 8891272), (2, 4445636), (4, 2222818), (8, 1111409), (13, 683944), (17, 523016), (26, 341972), (34, 261508), (47, 189176), (52, 170986), (68, 130754), (94, 94588), (104, 85493), (107, 83096), (136, 65377), (188, 47294), (214, 41548), (221, 40232), (376, 23647), (428, 20774), (442, 20116), (611, 14552), (799, 11128), (856, 10387), (884, 10058), (1222, 7276), (1391, 6392), (1598, 5564), (1768, 5029), (1819, 4888), (2444, 3638), (2782, 3196)]