2783609928565

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{509}}^1\times {\mathrm{17909}}^1$

素因数の和:18969

約数の個数: 32

約数和(自身を含む): 3377059452000

約数和(自身を除く): 593449523435

約数列:

[1, 5, 157, 389, 509, 785, 1945, 2545, 17909, 61073, 79913, 89545, 198001, 305365, 399565, 990005, 2811713, 6966601, 9115681, 14058565, 31086157, 34833005, 45578405, 155430785, 1093756357, 1431161917, 3545999909, 5468781785, 7155809585, 17729999545, 556721985713, 2783609928565]

約数ペア:

[(1, 2783609928565), (5, 556721985713), (157, 17729999545), (389, 7155809585), (509, 5468781785), (785, 3545999909), (1945, 1431161917), (2545, 1093756357), (17909, 155430785), (61073, 45578405), (79913, 34833005), (89545, 31086157), (198001, 14058565), (305365, 9115681), (399565, 6966601), (990005, 2811713)]