128215812

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1\times {\mathrm{491}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 306819072

約数和(自身を除く): 178603260

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 463, 491, 564, 926, 982, 1389, 1473, 1852, 1964, 2778, 2946, 5556, 5892, 21761, 23077, 43522, 46154, 65283, 69231, 87044, 92308, 130566, 138462, 227333, 261132, 276924, 454666, 681999, 909332, 1363998, 2727996, 10684651, 21369302, 32053953, 42738604, 64107906, 128215812]

約数ペア:

[(1, 128215812), (2, 64107906), (3, 42738604), (4, 32053953), (6, 21369302), (12, 10684651), (47, 2727996), (94, 1363998), (141, 909332), (188, 681999), (282, 454666), (463, 276924), (491, 261132), (564, 227333), (926, 138462), (982, 130566), (1389, 92308), (1473, 87044), (1852, 69231), (1964, 65283), (2778, 46154), (2946, 43522), (5556, 23077), (5892, 21761)]