256397712

素因数分解:

$2^4\times 3^1\times {\mathrm{5341619}}^1$

素因数の和:5341630

約数の個数: 20

約数和(自身を含む): 662360880

約数和(自身を除く): 405963168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 5341619, 10683238, 16024857, 21366476, 32049714, 42732952, 64099428, 85465904, 128198856, 256397712]

約数ペア:

[(1, 256397712), (2, 128198856), (3, 85465904), (4, 64099428), (6, 42732952), (8, 32049714), (12, 21366476), (16, 16024857), (24, 10683238), (48, 5341619)]