28269712

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26371}}^1$

素因数の和:26446

約数の個数: 20

約数和(自身を含む): 55592176

約数和(自身を除く): 27322464

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26371, 52742, 105484, 210968, 421936, 1766857, 3533714, 7067428, 14134856, 28269712]

約数ペア:

[(1, 28269712), (2, 14134856), (4, 7067428), (8, 3533714), (16, 1766857), (67, 421936), (134, 210968), (268, 105484), (536, 52742), (1072, 26371)]