90509419

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12917}}^1$

素因数の和:12955

約数の個数: 24

約数和(自身を含む): 123702768

約数和(自身を除く): 33193349

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 12917, 90419, 142087, 167921, 632933, 994609, 1175447, 1847131, 6962263, 8228129, 12929917, 90509419]

約数ペア:

[(1, 90509419), (7, 12929917), (11, 8228129), (13, 6962263), (49, 1847131), (77, 1175447), (91, 994609), (143, 632933), (539, 167921), (637, 142087), (1001, 90419), (7007, 12917)]