2801968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 6162800

約数和(自身を除く): 3360832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 709, 988, 1418, 1976, 2836, 3952, 5672, 9217, 11344, 13471, 18434, 26942, 36868, 53884, 73736, 107768, 147472, 175123, 215536, 350246, 700492, 1400984, 2801968]

約数ペア:

[(1, 2801968), (2, 1400984), (4, 700492), (8, 350246), (13, 215536), (16, 175123), (19, 147472), (26, 107768), (38, 73736), (52, 53884), (76, 36868), (104, 26942), (152, 18434), (208, 13471), (247, 11344), (304, 9217), (494, 5672), (709, 3952), (988, 2836), (1418, 1976)]