1312977328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1559}}^1\times {\mathrm{4049}}^1$

素因数の和:5629

約数の個数: 40

約数和(自身を含む): 2742012000

約数和(自身を除く): 1429034672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1559, 3118, 4049, 6236, 8098, 12472, 16196, 20267, 24944, 32392, 40534, 52637, 64784, 81068, 105274, 162136, 210548, 324272, 421096, 842192, 6312391, 12624782, 25249564, 50499128, 82061083, 100998256, 164122166, 328244332, 656488664, 1312977328]

約数ペア:

[(1, 1312977328), (2, 656488664), (4, 328244332), (8, 164122166), (13, 100998256), (16, 82061083), (26, 50499128), (52, 25249564), (104, 12624782), (208, 6312391), (1559, 842192), (3118, 421096), (4049, 324272), (6236, 210548), (8098, 162136), (12472, 105274), (16196, 81068), (20267, 64784), (24944, 52637), (32392, 40534)]