77889968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19709}}^1$

素因数の和:19749

約数の個数: 40

約数和(自身を含む): 171082800

約数和(自身を除く): 93192832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 19709, 39418, 78836, 157672, 256217, 315344, 374471, 512434, 748942, 1024868, 1497884, 2049736, 2995768, 4099472, 4868123, 5991536, 9736246, 19472492, 38944984, 77889968]

約数ペア:

[(1, 77889968), (2, 38944984), (4, 19472492), (8, 9736246), (13, 5991536), (16, 4868123), (19, 4099472), (26, 2995768), (38, 2049736), (52, 1497884), (76, 1024868), (104, 748942), (152, 512434), (208, 374471), (247, 315344), (304, 256217), (494, 157672), (988, 78836), (1976, 39418), (3952, 19709)]