138664568

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{22717}}^1$

素因数の和:22839

約数の個数: 32

約数和(自身を含む): 299877600

約数和(自身を除く): 161213032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 6104, 22717, 45434, 90868, 159019, 181736, 318038, 636076, 1272152, 2476153, 4952306, 9904612, 17333071, 19809224, 34666142, 69332284, 138664568]

約数ペア:

[(1, 138664568), (2, 69332284), (4, 34666142), (7, 19809224), (8, 17333071), (14, 9904612), (28, 4952306), (56, 2476153), (109, 1272152), (218, 636076), (436, 318038), (763, 181736), (872, 159019), (1526, 90868), (3052, 45434), (6104, 22717)]