491646464

素因数分解:

$2^9\times {\mathrm{127}}^1\times {\mathrm{7561}}^1$

素因数の和:7706

約数の個数: 40

約数和(自身を含む): 990198528

約数和(自身を除く): 498552064

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 2032, 4064, 7561, 8128, 15122, 16256, 30244, 32512, 60488, 65024, 120976, 241952, 483904, 960247, 967808, 1920494, 1935616, 3840988, 3871232, 7681976, 15363952, 30727904, 61455808, 122911616, 245823232, 491646464]

約数ペア:

[(1, 491646464), (2, 245823232), (4, 122911616), (8, 61455808), (16, 30727904), (32, 15363952), (64, 7681976), (127, 3871232), (128, 3840988), (254, 1935616), (256, 1920494), (508, 967808), (512, 960247), (1016, 483904), (2032, 241952), (4064, 120976), (7561, 65024), (8128, 60488), (15122, 32512), (16256, 30244)]