72861551

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 86016000

約数和(自身を除く): 13154449

約数列:

[1, 7, 41, 127, 287, 889, 1999, 5207, 13993, 36449, 81959, 253873, 573713, 1777111, 10408793, 72861551]

約数ペア:

[(1, 72861551), (7, 10408793), (41, 1777111), (127, 573713), (287, 253873), (889, 81959), (1999, 36449), (5207, 13993)]