90991817

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{5387}}^1$

素因数の和:5540

約数の個数: 16

約数和(自身を含む): 110346240

約数和(自身を除く): 19354423

約数列:

[1, 7, 19, 127, 133, 889, 2413, 5387, 16891, 37709, 102353, 684149, 716471, 4789043, 12998831, 90991817]

約数ペア:

[(1, 90991817), (7, 12998831), (19, 4789043), (127, 716471), (133, 684149), (889, 102353), (2413, 37709), (5387, 16891)]