129781036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1997}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 284643072

約数和(自身を除く): 154862036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 422, 844, 1477, 1997, 2321, 2954, 3994, 4642, 5908, 7988, 9284, 13979, 16247, 21967, 27958, 32494, 43934, 55916, 64988, 87868, 153769, 307538, 421367, 615076, 842734, 1685468, 2949569, 4635037, 5899138, 9270074, 11798276, 18540148, 32445259, 64890518, 129781036]

約数ペア:

[(1, 129781036), (2, 64890518), (4, 32445259), (7, 18540148), (11, 11798276), (14, 9270074), (22, 5899138), (28, 4635037), (44, 2949569), (77, 1685468), (154, 842734), (211, 615076), (308, 421367), (422, 307538), (844, 153769), (1477, 87868), (1997, 64988), (2321, 55916), (2954, 43934), (3994, 32494), (4642, 27958), (5908, 21967), (7988, 16247), (9284, 13979)]