81223184

素因数分解:

$2^4\times 7^2\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:724

約数の個数: 60

約数和(自身を含む): 184305168

約数和(自身を除く): 103081984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 211, 392, 422, 491, 784, 844, 982, 1477, 1688, 1964, 2954, 3376, 3437, 3928, 5908, 6874, 7856, 10339, 11816, 13748, 20678, 23632, 24059, 27496, 41356, 48118, 54992, 82712, 96236, 103601, 165424, 192472, 207202, 384944, 414404, 725207, 828808, 1450414, 1657616, 2900828, 5076449, 5801656, 10152898, 11603312, 20305796, 40611592, 81223184]

約数ペア:

[(1, 81223184), (2, 40611592), (4, 20305796), (7, 11603312), (8, 10152898), (14, 5801656), (16, 5076449), (28, 2900828), (49, 1657616), (56, 1450414), (98, 828808), (112, 725207), (196, 414404), (211, 384944), (392, 207202), (422, 192472), (491, 165424), (784, 103601), (844, 96236), (982, 82712), (1477, 54992), (1688, 48118), (1964, 41356), (2954, 27496), (3376, 24059), (3437, 23632), (3928, 20678), (5908, 13748), (6874, 11816), (7856, 10339)]