1267280638

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{28621}}^1$

素因数の和:28780

約数の個数: 24

約数和(自身を含む): 2074179096

約数和(自身を除く): 806898458

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 1703, 3406, 22139, 28621, 44278, 57242, 372073, 744146, 3749351, 4836949, 7498702, 9673898, 48741563, 97483126, 633640319, 1267280638]

約数ペア:

[(1, 1267280638), (2, 633640319), (13, 97483126), (26, 48741563), (131, 9673898), (169, 7498702), (262, 4836949), (338, 3749351), (1703, 744146), (3406, 372073), (22139, 57242), (28621, 44278)]