66430768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1999}}^1$

素因数の和:2105

約数の個数: 40

約数和(自身を含む): 134912000

約数和(自身を除く): 68481232

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 1072, 1999, 2077, 3998, 4154, 7996, 8308, 15992, 16616, 31984, 33232, 61969, 123938, 133933, 247876, 267866, 495752, 535732, 991504, 1071464, 2142928, 4151923, 8303846, 16607692, 33215384, 66430768]

約数ペア:

[(1, 66430768), (2, 33215384), (4, 16607692), (8, 8303846), (16, 4151923), (31, 2142928), (62, 1071464), (67, 991504), (124, 535732), (134, 495752), (248, 267866), (268, 247876), (496, 133933), (536, 123938), (1072, 61969), (1999, 33232), (2077, 31984), (3998, 16616), (4154, 15992), (7996, 8308)]