66807776

素因数分解:

$2^5\times 7^2\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:472

約数の個数: 72

約数和(自身を含む): 154614096

約数和(自身を除く): 87806320

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 137, 196, 224, 274, 311, 392, 548, 622, 784, 959, 1096, 1244, 1568, 1918, 2177, 2192, 2488, 3836, 4354, 4384, 4976, 6713, 7672, 8708, 9952, 13426, 15239, 15344, 17416, 26852, 30478, 30688, 34832, 42607, 53704, 60956, 69664, 85214, 107408, 121912, 170428, 214816, 243824, 298249, 340856, 487648, 596498, 681712, 1192996, 1363424, 2087743, 2385992, 4175486, 4771984, 8350972, 9543968, 16701944, 33403888, 66807776]

約数ペア:

[(1, 66807776), (2, 33403888), (4, 16701944), (7, 9543968), (8, 8350972), (14, 4771984), (16, 4175486), (28, 2385992), (32, 2087743), (49, 1363424), (56, 1192996), (98, 681712), (112, 596498), (137, 487648), (196, 340856), (224, 298249), (274, 243824), (311, 214816), (392, 170428), (548, 121912), (622, 107408), (784, 85214), (959, 69664), (1096, 60956), (1244, 53704), (1568, 42607), (1918, 34832), (2177, 30688), (2192, 30478), (2488, 26852), (3836, 17416), (4354, 15344), (4384, 15239), (4976, 13426), (6713, 9952), (7672, 8708)]