397648

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:894

約数の個数: 20

約数和(自身を含む): 797940

約数和(自身を除く): 400292

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 857, 1714, 3428, 6856, 13712, 24853, 49706, 99412, 198824, 397648]

約数ペア:

[(1, 397648), (2, 198824), (4, 99412), (8, 49706), (16, 24853), (29, 13712), (58, 6856), (116, 3428), (232, 1714), (464, 857)]