266980448

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16787}}^1$

素因数の和:16875

約数の個数: 48

約数和(自身を含む): 609202944

約数和(自身を除く): 342222496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952, 15904, 16787, 33574, 67148, 117509, 134296, 235018, 268592, 470036, 537184, 940072, 1191877, 1880144, 2383754, 3760288, 4767508, 8343139, 9535016, 16686278, 19070032, 33372556, 38140064, 66745112, 133490224, 266980448]

約数ペア:

[(1, 266980448), (2, 133490224), (4, 66745112), (7, 38140064), (8, 33372556), (14, 19070032), (16, 16686278), (28, 9535016), (32, 8343139), (56, 4767508), (71, 3760288), (112, 2383754), (142, 1880144), (224, 1191877), (284, 940072), (497, 537184), (568, 470036), (994, 268592), (1136, 235018), (1988, 134296), (2272, 117509), (3976, 67148), (7952, 33574), (15904, 16787)]