256967425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71879}}^1$

素因数の和:71913

約数の個数: 24

約数和(自身を含む): 374351040

約数和(自身を除く): 117383615

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 71879, 359395, 790669, 934427, 1796975, 3953345, 4672135, 10278697, 19766725, 23360675, 51393485, 256967425]

約数ペア:

[(1, 256967425), (5, 51393485), (11, 23360675), (13, 19766725), (25, 10278697), (55, 4672135), (65, 3953345), (143, 1796975), (275, 934427), (325, 790669), (715, 359395), (3575, 71879)]