4023955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 5370624

約数和(自身を除く): 1346669

約数列:

[1, 5, 13, 31, 65, 155, 403, 1997, 2015, 9985, 25961, 61907, 129805, 309535, 804791, 4023955]

約数ペア:

[(1, 4023955), (5, 804791), (13, 309535), (31, 129805), (65, 61907), (155, 25961), (403, 9985), (1997, 2015)]