639778712

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{1193617}}^1$

素因数の和:1193690

約数の個数: 16

約数和(自身を含む): 1217490360

約数和(自身を除く): 577711648

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 1193617, 2387234, 4774468, 9548936, 79972339, 159944678, 319889356, 639778712]

約数ペア:

[(1, 639778712), (2, 319889356), (4, 159944678), (8, 79972339), (67, 9548936), (134, 4774468), (268, 2387234), (536, 1193617)]