2854390784

素因数分解:

$2^{10}\times 7^1\times {\mathrm{398213}}^1$

素因数の和:398240

約数の個数: 44

約数和(自身を含む): 6521152464

約数和(自身を除く): 3666761680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 398213, 796426, 1592852, 2787491, 3185704, 5574982, 6371408, 11149964, 12742816, 22299928, 25485632, 44599856, 50971264, 89199712, 101942528, 178399424, 203885056, 356798848, 407770112, 713597696, 1427195392, 2854390784]

約数ペア:

[(1, 2854390784), (2, 1427195392), (4, 713597696), (7, 407770112), (8, 356798848), (14, 203885056), (16, 178399424), (28, 101942528), (32, 89199712), (56, 50971264), (64, 44599856), (112, 25485632), (128, 22299928), (224, 12742816), (256, 11149964), (448, 6371408), (512, 5574982), (896, 3185704), (1024, 2787491), (1792, 1592852), (3584, 796426), (7168, 398213)]