216315944

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{829}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 441999900

約数和(自身を除く): 225683956

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 193, 338, 386, 676, 772, 829, 1352, 1544, 1658, 2509, 3316, 5018, 6632, 10036, 10777, 20072, 21554, 32617, 43108, 65234, 86216, 130468, 140101, 159997, 260936, 280202, 319994, 560404, 639988, 1120808, 1279976, 2079961, 4159922, 8319844, 16639688, 27039493, 54078986, 108157972, 216315944]

約数ペア:

[(1, 216315944), (2, 108157972), (4, 54078986), (8, 27039493), (13, 16639688), (26, 8319844), (52, 4159922), (104, 2079961), (169, 1279976), (193, 1120808), (338, 639988), (386, 560404), (676, 319994), (772, 280202), (829, 260936), (1352, 159997), (1544, 140101), (1658, 130468), (2509, 86216), (3316, 65234), (5018, 43108), (6632, 32617), (10036, 21554), (10777, 20072)]