256085296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{12007}}^1$

素因数の和:12089

約数の個数: 40

約数和(自身を含む): 524125184

約数和(自身を除く): 268039888

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 12007, 21328, 24014, 48028, 96056, 192112, 372217, 516301, 744434, 1032602, 1488868, 2065204, 2977736, 4130408, 5955472, 8260816, 16005331, 32010662, 64021324, 128042648, 256085296]

約数ペア:

[(1, 256085296), (2, 128042648), (4, 64021324), (8, 32010662), (16, 16005331), (31, 8260816), (43, 5955472), (62, 4130408), (86, 2977736), (124, 2065204), (172, 1488868), (248, 1032602), (344, 744434), (496, 516301), (688, 372217), (1333, 192112), (2666, 96056), (5332, 48028), (10664, 24014), (12007, 21328)]