978181781

素因数分解:

${\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 1025041920

約数和(自身を除く): 46860139

約数列:

[1, 31, 137, 139, 1657, 4247, 4309, 19043, 51367, 227009, 230323, 590333, 7037279, 7140013, 31554251, 978181781]

約数ペア:

[(1, 978181781), (31, 31554251), (137, 7140013), (139, 7037279), (1657, 590333), (4247, 230323), (4309, 227009), (19043, 51367)]