81631424

素因数分解:

$2^6\times 7^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:985

約数の個数: 56

約数和(自身を含む): 186110880

約数和(自身を除く): 104479456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 257, 448, 514, 709, 1028, 1418, 1799, 2056, 2836, 3598, 4112, 4963, 5672, 7196, 8224, 9926, 11344, 14392, 16448, 19852, 22688, 28784, 39704, 45376, 57568, 79408, 115136, 158816, 182213, 317632, 364426, 728852, 1275491, 1457704, 2550982, 2915408, 5101964, 5830816, 10203928, 11661632, 20407856, 40815712, 81631424]

約数ペア:

[(1, 81631424), (2, 40815712), (4, 20407856), (7, 11661632), (8, 10203928), (14, 5830816), (16, 5101964), (28, 2915408), (32, 2550982), (56, 1457704), (64, 1275491), (112, 728852), (224, 364426), (257, 317632), (448, 182213), (514, 158816), (709, 115136), (1028, 79408), (1418, 57568), (1799, 45376), (2056, 39704), (2836, 28784), (3598, 22688), (4112, 19852), (4963, 16448), (5672, 14392), (7196, 11344), (8224, 9926)]