79547728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1361}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 166692456

約数和(自身を除く): 87144728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 562, 1124, 1361, 2248, 2722, 3653, 4496, 5444, 7306, 10888, 14612, 17693, 21776, 29224, 35386, 58448, 70772, 141544, 283088, 382441, 764882, 1529764, 3059528, 4971733, 6119056, 9943466, 19886932, 39773864, 79547728]

約数ペア:

[(1, 79547728), (2, 39773864), (4, 19886932), (8, 9943466), (13, 6119056), (16, 4971733), (26, 3059528), (52, 1529764), (104, 764882), (208, 382441), (281, 283088), (562, 141544), (1124, 70772), (1361, 58448), (2248, 35386), (2722, 29224), (3653, 21776), (4496, 17693), (5444, 14612), (7306, 10888)]