12886412

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 29494080

約数和(自身を除く): 16607668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 139, 154, 172, 196, 278, 301, 308, 473, 539, 556, 602, 946, 973, 1078, 1204, 1529, 1892, 1946, 2107, 2156, 3058, 3311, 3892, 4214, 5977, 6116, 6622, 6811, 8428, 10703, 11954, 13244, 13622, 21406, 23177, 23908, 27244, 41839, 42812, 46354, 65747, 74921, 83678, 92708, 131494, 149842, 167356, 262988, 292873, 299684, 460229, 585746, 920458, 1171492, 1840916, 3221603, 6443206, 12886412]

約数ペア:

[(1, 12886412), (2, 6443206), (4, 3221603), (7, 1840916), (11, 1171492), (14, 920458), (22, 585746), (28, 460229), (43, 299684), (44, 292873), (49, 262988), (77, 167356), (86, 149842), (98, 131494), (139, 92708), (154, 83678), (172, 74921), (196, 65747), (278, 46354), (301, 42812), (308, 41839), (473, 27244), (539, 23908), (556, 23177), (602, 21406), (946, 13622), (973, 13244), (1078, 11954), (1204, 10703), (1529, 8428), (1892, 6811), (1946, 6622), (2107, 6116), (2156, 5977), (3058, 4214), (3311, 3892)]