257965792

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^2\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 108

約数和(自身を含む): 619576776

約数和(自身を除く): 361610984

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 311, 322, 368, 392, 529, 622, 644, 736, 784, 1058, 1127, 1244, 1288, 1568, 2116, 2177, 2254, 2488, 2576, 3703, 4232, 4354, 4508, 4976, 5152, 7153, 7406, 8464, 8708, 9016, 9952, 14306, 14812, 15239, 16928, 17416, 18032, 25921, 28612, 29624, 30478, 34832, 36064, 50071, 51842, 57224, 59248, 60956, 69664, 100142, 103684, 114448, 118496, 121912, 164519, 200284, 207368, 228896, 243824, 329038, 350497, 400568, 414736, 487648, 658076, 700994, 801136, 829472, 1151633, 1316152, 1401988, 1602272, 2303266, 2632304, 2803976, 4606532, 5264608, 5607952, 8061431, 9213064, 11215904, 16122862, 18426128, 32245724, 36852256, 64491448, 128982896, 257965792]

約数ペア:

[(1, 257965792), (2, 128982896), (4, 64491448), (7, 36852256), (8, 32245724), (14, 18426128), (16, 16122862), (23, 11215904), (28, 9213064), (32, 8061431), (46, 5607952), (49, 5264608), (56, 4606532), (92, 2803976), (98, 2632304), (112, 2303266), (161, 1602272), (184, 1401988), (196, 1316152), (224, 1151633), (311, 829472), (322, 801136), (368, 700994), (392, 658076), (529, 487648), (622, 414736), (644, 400568), (736, 350497), (784, 329038), (1058, 243824), (1127, 228896), (1244, 207368), (1288, 200284), (1568, 164519), (2116, 121912), (2177, 118496), (2254, 114448), (2488, 103684), (2576, 100142), (3703, 69664), (4232, 60956), (4354, 59248), (4508, 57224), (4976, 51842), (5152, 50071), (7153, 36064), (7406, 34832), (8464, 30478), (8708, 29624), (9016, 28612), (9952, 25921), (14306, 18032), (14812, 17416), (15239, 16928)]