78447856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{158161}}^1$

素因数の和:158200

約数の個数: 20

約数和(自身を含む): 156896704

約数和(自身を除く): 78448848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 158161, 316322, 632644, 1265288, 2530576, 4902991, 9805982, 19611964, 39223928, 78447856]

約数ペア:

[(1, 78447856), (2, 39223928), (4, 19611964), (8, 9805982), (16, 4902991), (31, 2530576), (62, 1265288), (124, 632644), (248, 316322), (496, 158161)]