263399149

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{907}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 288308160

約数和(自身を除く): 24909011

約数列:

[1, 13, 89, 251, 907, 1157, 3263, 11791, 22339, 80723, 227657, 290407, 1049399, 2959541, 20261473, 263399149]

約数ペア:

[(1, 263399149), (13, 20261473), (89, 2959541), (251, 1049399), (907, 290407), (1157, 227657), (3263, 80723), (11791, 22339)]