1287839488

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 162

約数和(自身を含む): 2985683064

約数和(自身を除く): 1697843576

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 103, 104, 128, 136, 169, 206, 208, 221, 256, 272, 289, 338, 412, 416, 442, 544, 578, 676, 824, 832, 884, 1088, 1156, 1339, 1352, 1648, 1664, 1751, 1768, 2176, 2312, 2678, 2704, 2873, 3296, 3328, 3502, 3536, 3757, 4352, 4624, 5356, 5408, 5746, 6592, 7004, 7072, 7514, 9248, 10712, 10816, 11492, 13184, 14008, 14144, 15028, 17407, 18496, 21424, 21632, 22763, 22984, 26368, 28016, 28288, 29767, 30056, 34814, 36992, 42848, 43264, 45526, 45968, 48841, 56032, 56576, 59534, 60112, 69628, 73984, 85696, 91052, 91936, 97682, 112064, 119068, 120224, 139256, 171392, 182104, 183872, 195364, 224128, 238136, 240448, 278512, 295919, 342784, 364208, 367744, 386971, 390728, 448256, 476272, 480896, 557024, 591838, 728416, 735488, 773942, 781456, 952544, 961792, 1114048, 1183676, 1456832, 1547884, 1562912, 1905088, 2228096, 2367352, 2913664, 3095768, 3125824, 3810176, 4456192, 4734704, 5030623, 5827328, 6191536, 6251648, 7620352, 9469408, 10061246, 12383072, 12503296, 18938816, 20122492, 24766144, 37877632, 40244984, 49532288, 75755264, 80489968, 99064576, 160979936, 321959872, 643919744, 1287839488]

約数ペア:

[(1, 1287839488), (2, 643919744), (4, 321959872), (8, 160979936), (13, 99064576), (16, 80489968), (17, 75755264), (26, 49532288), (32, 40244984), (34, 37877632), (52, 24766144), (64, 20122492), (68, 18938816), (103, 12503296), (104, 12383072), (128, 10061246), (136, 9469408), (169, 7620352), (206, 6251648), (208, 6191536), (221, 5827328), (256, 5030623), (272, 4734704), (289, 4456192), (338, 3810176), (412, 3125824), (416, 3095768), (442, 2913664), (544, 2367352), (578, 2228096), (676, 1905088), (824, 1562912), (832, 1547884), (884, 1456832), (1088, 1183676), (1156, 1114048), (1339, 961792), (1352, 952544), (1648, 781456), (1664, 773942), (1751, 735488), (1768, 728416), (2176, 591838), (2312, 557024), (2678, 480896), (2704, 476272), (2873, 448256), (3296, 390728), (3328, 386971), (3502, 367744), (3536, 364208), (3757, 342784), (4352, 295919), (4624, 278512), (5356, 240448), (5408, 238136), (5746, 224128), (6592, 195364), (7004, 183872), (7072, 182104), (7514, 171392), (9248, 139256), (10712, 120224), (10816, 119068), (11492, 112064), (13184, 97682), (14008, 91936), (14144, 91052), (15028, 85696), (17407, 73984), (18496, 69628), (21424, 60112), (21632, 59534), (22763, 56576), (22984, 56032), (26368, 48841), (28016, 45968), (28288, 45526), (29767, 43264), (30056, 42848), (34814, 36992)]