205323728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{675407}}^1$

素因数の和:675434

約数の個数: 20

約数和(自身を含む): 418752960

約数和(自身を除く): 213429232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 675407, 1350814, 2701628, 5403256, 10806512, 12832733, 25665466, 51330932, 102661864, 205323728]

約数ペア:

[(1, 205323728), (2, 102661864), (4, 51330932), (8, 25665466), (16, 12832733), (19, 10806512), (38, 5403256), (76, 2701628), (152, 1350814), (304, 675407)]