389808771248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{12763}}^1\times {\mathrm{146837}}^1$

素因数の和:159621

約数の個数: 40

約数和(自身を含む): 813420260688

約数和(自身を除く): 423611489440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 12763, 25526, 51052, 102104, 146837, 165919, 204208, 293674, 331838, 587348, 663676, 1174696, 1327352, 1908881, 2349392, 2654704, 3817762, 7635524, 15271048, 30542096, 1874080631, 3748161262, 7496322524, 14992645048, 24363048203, 29985290096, 48726096406, 97452192812, 194904385624, 389808771248]

約数ペア:

[(1, 389808771248), (2, 194904385624), (4, 97452192812), (8, 48726096406), (13, 29985290096), (16, 24363048203), (26, 14992645048), (52, 7496322524), (104, 3748161262), (208, 1874080631), (12763, 30542096), (25526, 15271048), (51052, 7635524), (102104, 3817762), (146837, 2654704), (165919, 2349392), (204208, 1908881), (293674, 1327352), (331838, 1174696), (587348, 663676)]