71939728

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4621}}^1$

素因数の和:4775

約数の個数: 40

約数和(自身を含む): 160475840

約数和(自身を除く): 88536112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 4621, 7784, 9242, 15568, 18484, 32347, 36968, 64694, 73936, 129388, 258776, 517552, 642319, 1284638, 2569276, 4496233, 5138552, 8992466, 10277104, 17984932, 35969864, 71939728]

約数ペア:

[(1, 71939728), (2, 35969864), (4, 17984932), (7, 10277104), (8, 8992466), (14, 5138552), (16, 4496233), (28, 2569276), (56, 1284638), (112, 642319), (139, 517552), (278, 258776), (556, 129388), (973, 73936), (1112, 64694), (1946, 36968), (2224, 32347), (3892, 18484), (4621, 15568), (7784, 9242)]