128525968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2239

約数の個数: 40

約数和(自身を含む): 257796000

約数和(自身を除く): 129270032

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1424, 2099, 3827, 4198, 7654, 8396, 15308, 16792, 30616, 33584, 61232, 90257, 180514, 186811, 361028, 373622, 722056, 747244, 1444112, 1494488, 2988976, 8032873, 16065746, 32131492, 64262984, 128525968]

約数ペア:

[(1, 128525968), (2, 64262984), (4, 32131492), (8, 16065746), (16, 8032873), (43, 2988976), (86, 1494488), (89, 1444112), (172, 747244), (178, 722056), (344, 373622), (356, 361028), (688, 186811), (712, 180514), (1424, 90257), (2099, 61232), (3827, 33584), (4198, 30616), (7654, 16792), (8396, 15308)]