1020408592

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{128321}}^1$

素因数の和:128407

約数の個数: 40

約数和(自身を含む): 2291317632

約数和(自身を除く): 1270909040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 128321, 256642, 513284, 898247, 1026568, 1796494, 2053136, 3592988, 7185976, 9110791, 14371952, 18221582, 36443164, 63775537, 72886328, 127551074, 145772656, 255102148, 510204296, 1020408592]

約数ペア:

[(1, 1020408592), (2, 510204296), (4, 255102148), (7, 145772656), (8, 127551074), (14, 72886328), (16, 63775537), (28, 36443164), (56, 18221582), (71, 14371952), (112, 9110791), (142, 7185976), (284, 3592988), (497, 2053136), (568, 1796494), (994, 1026568), (1136, 898247), (1988, 513284), (3976, 256642), (7952, 128321)]