78611728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2719}}^1$

素因数の和:2879

約数の個数: 40

約数和(自身を含む): 165267200

約数和(自身を除く): 86655472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 2719, 3614, 5438, 7228, 10876, 14456, 21752, 28912, 35347, 43504, 70694, 141388, 282776, 377941, 565552, 755882, 1511764, 3023528, 4913233, 6047056, 9826466, 19652932, 39305864, 78611728]

約数ペア:

[(1, 78611728), (2, 39305864), (4, 19652932), (8, 9826466), (13, 6047056), (16, 4913233), (26, 3023528), (52, 1511764), (104, 755882), (139, 565552), (208, 377941), (278, 282776), (556, 141388), (1112, 70694), (1807, 43504), (2224, 35347), (2719, 28912), (3614, 21752), (5438, 14456), (7228, 10876)]