638988337

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1\times {\mathrm{1613}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 711502848

約数和(自身を除く): 72514511

約数列:

[1, 13, 31, 403, 983, 1613, 12779, 20969, 30473, 50003, 396149, 650039, 1585579, 20612527, 49152949, 638988337]

約数ペア:

[(1, 638988337), (13, 49152949), (31, 20612527), (403, 1585579), (983, 650039), (1613, 396149), (12779, 50003), (20969, 30473)]