638990432

素因数分解:

$2^5\times {\mathrm{421}}^1\times {\mathrm{47431}}^1$

素因数の和:47862

約数の個数: 24

約数和(自身を含む): 1261027152

約数和(自身を除く): 622036720

約数列:

[1, 2, 4, 8, 16, 32, 421, 842, 1684, 3368, 6736, 13472, 47431, 94862, 189724, 379448, 758896, 1517792, 19968451, 39936902, 79873804, 159747608, 319495216, 638990432]

約数ペア:

[(1, 638990432), (2, 319495216), (4, 159747608), (8, 79873804), (16, 39936902), (32, 19968451), (421, 1517792), (842, 758896), (1684, 379448), (3368, 189724), (6736, 94862), (13472, 47431)]