81491704

素因数分解:

$2^3\times 7^2\times {\mathrm{449}}^1\times {\mathrm{463}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 178524000

約数和(自身を除く): 97032296

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 449, 463, 898, 926, 1796, 1852, 3143, 3241, 3592, 3704, 6286, 6482, 12572, 12964, 22001, 22687, 25144, 25928, 44002, 45374, 88004, 90748, 176008, 181496, 207887, 415774, 831548, 1455209, 1663096, 2910418, 5820836, 10186463, 11641672, 20372926, 40745852, 81491704]

約数ペア:

[(1, 81491704), (2, 40745852), (4, 20372926), (7, 11641672), (8, 10186463), (14, 5820836), (28, 2910418), (49, 1663096), (56, 1455209), (98, 831548), (196, 415774), (392, 207887), (449, 181496), (463, 176008), (898, 90748), (926, 88004), (1796, 45374), (1852, 44002), (3143, 25928), (3241, 25144), (3592, 22687), (3704, 22001), (6286, 12964), (6482, 12572)]