28256074

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 57480192

約数和(自身を除く): 29224118

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 43, 77, 86, 119, 154, 187, 238, 251, 301, 374, 473, 502, 602, 731, 946, 1309, 1462, 1757, 2618, 2761, 3311, 3514, 4267, 5117, 5522, 6622, 8041, 8534, 10234, 10793, 16082, 19327, 21586, 29869, 38654, 46937, 56287, 59738, 75551, 93874, 112574, 118723, 151102, 183481, 237446, 328559, 366962, 657118, 831061, 1284367, 1662122, 2018291, 2568734, 4036582, 14128037, 28256074]

約数ペア:

[(1, 28256074), (2, 14128037), (7, 4036582), (11, 2568734), (14, 2018291), (17, 1662122), (22, 1284367), (34, 831061), (43, 657118), (77, 366962), (86, 328559), (119, 237446), (154, 183481), (187, 151102), (238, 118723), (251, 112574), (301, 93874), (374, 75551), (473, 59738), (502, 56287), (602, 46937), (731, 38654), (946, 29869), (1309, 21586), (1462, 19327), (1757, 16082), (2618, 10793), (2761, 10234), (3311, 8534), (3514, 8041), (4267, 6622), (5117, 5522)]