78892779

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 124291584

約数和(自身を除く): 45398805

約数列:

[1, 3, 7, 21, 53, 73, 159, 219, 371, 511, 971, 1113, 1533, 2913, 3869, 6797, 11607, 20391, 27083, 51463, 70883, 81249, 154389, 212649, 360241, 496181, 1080723, 1488543, 3756799, 11270397, 26297593, 78892779]

約数ペア:

[(1, 78892779), (3, 26297593), (7, 11270397), (21, 3756799), (53, 1488543), (73, 1080723), (159, 496181), (219, 360241), (371, 212649), (511, 154389), (971, 81249), (1113, 70883), (1533, 51463), (2913, 27083), (3869, 20391), (6797, 11607)]