991618570

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{79393}}^1$

素因数の和:80649

約数の個数: 16

約数和(自身を含む): 1786365000

約数和(自身を除く): 794746430

約数列:

[1, 2, 5, 10, 1249, 2498, 6245, 12490, 79393, 158786, 396965, 793930, 99161857, 198323714, 495809285, 991618570]

約数ペア:

[(1, 991618570), (2, 495809285), (5, 198323714), (10, 99161857), (1249, 793930), (2498, 396965), (6245, 158786), (12490, 79393)]