1988675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 2760240

約数和(自身を除く): 771565

約数列:

[1, 5, 13, 25, 29, 65, 145, 211, 325, 377, 725, 1055, 1885, 2743, 5275, 6119, 9425, 13715, 30595, 68575, 79547, 152975, 397735, 1988675]

約数ペア:

[(1, 1988675), (5, 397735), (13, 152975), (25, 79547), (29, 68575), (65, 30595), (145, 13715), (211, 9425), (325, 6119), (377, 5275), (725, 2743), (1055, 1885)]