639758444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{424243}}^1$

素因数の和:424289

約数の個数: 24

約数和(自身を含む): 1247277360

約数和(自身を除く): 607518916

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 424243, 848486, 1696972, 5515159, 11030318, 12303047, 22060636, 24606094, 49212188, 159939611, 319879222, 639758444]

約数ペア:

[(1, 639758444), (2, 319879222), (4, 159939611), (13, 49212188), (26, 24606094), (29, 22060636), (52, 12303047), (58, 11030318), (116, 5515159), (377, 1696972), (754, 848486), (1508, 424243)]