8440636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 16934400

約数和(自身を除く): 8493764

約数列:

[1, 2, 4, 17, 19, 34, 38, 47, 68, 76, 94, 139, 188, 278, 323, 556, 646, 799, 893, 1292, 1598, 1786, 2363, 2641, 3196, 3572, 4726, 5282, 6533, 9452, 10564, 13066, 15181, 26132, 30362, 44897, 60724, 89794, 111061, 124127, 179588, 222122, 248254, 444244, 496508, 2110159, 4220318, 8440636]

約数ペア:

[(1, 8440636), (2, 4220318), (4, 2110159), (17, 496508), (19, 444244), (34, 248254), (38, 222122), (47, 179588), (68, 124127), (76, 111061), (94, 89794), (139, 60724), (188, 44897), (278, 30362), (323, 26132), (556, 15181), (646, 13066), (799, 10564), (893, 9452), (1292, 6533), (1598, 5282), (1786, 4726), (2363, 3572), (2641, 3196)]