256417833

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{56269}}^1$

素因数の和:56317

約数の個数: 24

約数和(自身を含む): 410545920

約数和(自身を除く): 154128087

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 56269, 168807, 393883, 1181649, 1744339, 2757181, 5233017, 8271543, 12210373, 36631119, 85472611, 256417833]

約数ペア:

[(1, 256417833), (3, 85472611), (7, 36631119), (21, 12210373), (31, 8271543), (49, 5233017), (93, 2757181), (147, 1744339), (217, 1181649), (651, 393883), (1519, 168807), (4557, 56269)]