256943945

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{2917}}^1$

素因数の和:3224

約数の個数: 16

約数和(自身を含む): 313743360

約数和(自身を除く): 56799415

約数列:

[1, 5, 79, 223, 395, 1115, 2917, 14585, 17617, 88085, 230443, 650491, 1152215, 3252455, 51388789, 256943945]

約数ペア:

[(1, 256943945), (5, 51388789), (79, 3252455), (223, 1152215), (395, 650491), (1115, 230443), (2917, 88085), (14585, 17617)]