397888928

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{1753}}^1$

素因数の和:1977

約数の個数: 48

約数和(自身を含む): 807548616

約数和(自身を除く): 409659688

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 173, 328, 346, 656, 692, 1312, 1384, 1753, 2768, 3506, 5536, 7012, 7093, 14024, 14186, 28048, 28372, 56096, 56744, 71873, 113488, 143746, 226976, 287492, 303269, 574984, 606538, 1149968, 1213076, 2299936, 2426152, 4852304, 9704608, 12434029, 24868058, 49736116, 99472232, 198944464, 397888928]

約数ペア:

[(1, 397888928), (2, 198944464), (4, 99472232), (8, 49736116), (16, 24868058), (32, 12434029), (41, 9704608), (82, 4852304), (164, 2426152), (173, 2299936), (328, 1213076), (346, 1149968), (656, 606538), (692, 574984), (1312, 303269), (1384, 287492), (1753, 226976), (2768, 143746), (3506, 113488), (5536, 71873), (7012, 56744), (7093, 56096), (14024, 28372), (14186, 28048)]