256432016

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{83911}}^1$

素因数の和:84110

約数の個数: 20

約数和(自身を含む): 499444224

約数和(自身を除く): 243012208

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 83911, 167822, 335644, 671288, 1342576, 16027001, 32054002, 64108004, 128216008, 256432016]

約数ペア:

[(1, 256432016), (2, 128216008), (4, 64108004), (8, 32054002), (16, 16027001), (191, 1342576), (382, 671288), (764, 335644), (1528, 167822), (3056, 83911)]