289072015

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{5923}}^1$

素因数の和:6198

約数の個数: 16

約数和(自身を含む): 356577408

約数和(自身を除く): 67505393

約数列:

[1, 5, 43, 215, 227, 1135, 5923, 9761, 29615, 48805, 254689, 1273445, 1344521, 6722605, 57814403, 289072015]

約数ペア:

[(1, 289072015), (5, 57814403), (43, 6722605), (215, 1344521), (227, 1273445), (1135, 254689), (5923, 48805), (9761, 29615)]