90640745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{44983}}^1$

素因数の和:45032

約数の個数: 16

約数和(自身を含む): 120916992

約数和(自身を除く): 30276247

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 44983, 224915, 584779, 1394473, 2923895, 6972365, 18128149, 90640745]

約数ペア:

[(1, 90640745), (5, 18128149), (13, 6972365), (31, 2923895), (65, 1394473), (155, 584779), (403, 224915), (2015, 44983)]