128211412

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{147709}}^1$

素因数の和:147751

約数の個数: 24

約数和(自身を含む): 264696320

約数和(自身を除く): 136484908

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 147709, 295418, 590836, 1033963, 2067926, 4135852, 4578979, 9157958, 18315916, 32052853, 64105706, 128211412]

約数ペア:

[(1, 128211412), (2, 64105706), (4, 32052853), (7, 18315916), (14, 9157958), (28, 4578979), (31, 4135852), (62, 2067926), (124, 1033963), (217, 590836), (434, 295418), (868, 147709)]