78872638

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{1019}}^1$

素因数の和:1276

約数の個数: 24

約数和(自身を含む): 128795400

約数和(自身を除く): 49922762

約数列:

[1, 2, 13, 26, 169, 229, 338, 458, 1019, 2038, 2977, 5954, 13247, 26494, 38701, 77402, 172211, 233351, 344422, 466702, 3033563, 6067126, 39436319, 78872638]

約数ペア:

[(1, 78872638), (2, 39436319), (13, 6067126), (26, 3033563), (169, 466702), (229, 344422), (338, 233351), (458, 172211), (1019, 77402), (2038, 38701), (2977, 26494), (5954, 13247)]