208491004

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^2$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 385564872

約数和(自身を除く): 177073868

約数列:

[1, 2, 4, 37, 43, 74, 86, 148, 172, 181, 362, 724, 1591, 3182, 6364, 6697, 7783, 13394, 15566, 26788, 31132, 32761, 65522, 131044, 287971, 575942, 1151884, 1212157, 1408723, 2424314, 2817446, 4848628, 5634892, 52122751, 104245502, 208491004]

約数ペア:

[(1, 208491004), (2, 104245502), (4, 52122751), (37, 5634892), (43, 4848628), (74, 2817446), (86, 2424314), (148, 1408723), (172, 1212157), (181, 1151884), (362, 575942), (724, 287971), (1591, 131044), (3182, 65522), (6364, 32761), (6697, 31132), (7783, 26788), (13394, 15566)]