66670336

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 54

約数和(自身を含む): 138019056

約数和(自身を除く): 71348720

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 271, 496, 542, 961, 992, 1084, 1922, 1984, 2168, 3844, 3968, 4336, 7688, 7936, 8401, 8672, 15376, 16802, 17344, 30752, 33604, 34688, 61504, 67208, 69376, 123008, 134416, 246016, 260431, 268832, 520862, 537664, 1041724, 1075328, 2083448, 2150656, 4166896, 8333792, 16667584, 33335168, 66670336]

約数ペア:

[(1, 66670336), (2, 33335168), (4, 16667584), (8, 8333792), (16, 4166896), (31, 2150656), (32, 2083448), (62, 1075328), (64, 1041724), (124, 537664), (128, 520862), (248, 268832), (256, 260431), (271, 246016), (496, 134416), (542, 123008), (961, 69376), (992, 67208), (1084, 61504), (1922, 34688), (1984, 33604), (2168, 30752), (3844, 17344), (3968, 16802), (4336, 15376), (7688, 8672), (7936, 8401)]