77782012

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 176964480

約数和(自身を除く): 99182468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 301, 308, 473, 539, 602, 839, 946, 1078, 1204, 1678, 1892, 2107, 2156, 3311, 3356, 4214, 5873, 6622, 8428, 9229, 11746, 13244, 18458, 23177, 23492, 36077, 36916, 41111, 46354, 64603, 72154, 82222, 92708, 129206, 144308, 164444, 252539, 258412, 396847, 452221, 505078, 793694, 904442, 1010156, 1587388, 1767773, 1808884, 2777929, 3535546, 5555858, 7071092, 11111716, 19445503, 38891006, 77782012]

約数ペア:

[(1, 77782012), (2, 38891006), (4, 19445503), (7, 11111716), (11, 7071092), (14, 5555858), (22, 3535546), (28, 2777929), (43, 1808884), (44, 1767773), (49, 1587388), (77, 1010156), (86, 904442), (98, 793694), (154, 505078), (172, 452221), (196, 396847), (301, 258412), (308, 252539), (473, 164444), (539, 144308), (602, 129206), (839, 92708), (946, 82222), (1078, 72154), (1204, 64603), (1678, 46354), (1892, 41111), (2107, 36916), (2156, 36077), (3311, 23492), (3356, 23177), (4214, 18458), (5873, 13244), (6622, 11746), (8428, 9229)]