291227248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1400131}}^1$

素因数の和:1400152

約数の個数: 20

約数和(自身を含む): 607657288

約数和(自身を除く): 316430040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1400131, 2800262, 5600524, 11201048, 18201703, 22402096, 36403406, 72806812, 145613624, 291227248]

約数ペア:

[(1, 291227248), (2, 145613624), (4, 72806812), (8, 36403406), (13, 22402096), (16, 18201703), (26, 11201048), (52, 5600524), (104, 2800262), (208, 1400131)]