399970128

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{32423}}^1$

素因数の和:32691

約数の個数: 40

約数和(自身を含む): 1037308608

約数和(自身を除く): 637338480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 1028, 1542, 2056, 3084, 4112, 6168, 12336, 32423, 64846, 97269, 129692, 194538, 259384, 389076, 518768, 778152, 1556304, 8332711, 16665422, 24998133, 33330844, 49996266, 66661688, 99992532, 133323376, 199985064, 399970128]

約数ペア:

[(1, 399970128), (2, 199985064), (3, 133323376), (4, 99992532), (6, 66661688), (8, 49996266), (12, 33330844), (16, 24998133), (24, 16665422), (48, 8332711), (257, 1556304), (514, 778152), (771, 518768), (1028, 389076), (1542, 259384), (2056, 194538), (3084, 129692), (4112, 97269), (6168, 64846), (12336, 32423)]