129893968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1019}}^1$

素因数の和:1315

約数の個数: 40

約数和(自身を含む): 261054720

約数和(自身を除く): 131160752

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 257, 496, 514, 1019, 1028, 2038, 2056, 4076, 4112, 7967, 8152, 15934, 16304, 31589, 31868, 63178, 63736, 126356, 127472, 252712, 261883, 505424, 523766, 1047532, 2095064, 4190128, 8118373, 16236746, 32473492, 64946984, 129893968]

約数ペア:

[(1, 129893968), (2, 64946984), (4, 32473492), (8, 16236746), (16, 8118373), (31, 4190128), (62, 2095064), (124, 1047532), (248, 523766), (257, 505424), (496, 261883), (514, 252712), (1019, 127472), (1028, 126356), (2038, 63736), (2056, 63178), (4076, 31868), (4112, 31589), (7967, 16304), (8152, 15934)]