208743367

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 261550080

約数和(自身を除く): 52806713

約数列:

[1, 7, 19, 31, 133, 197, 217, 257, 589, 1379, 1799, 3743, 4123, 4883, 6107, 7967, 26201, 34181, 42749, 50629, 55769, 116033, 151373, 354403, 812231, 961951, 1059611, 1569499, 6733657, 10986493, 29820481, 208743367]

約数ペア:

[(1, 208743367), (7, 29820481), (19, 10986493), (31, 6733657), (133, 1569499), (197, 1059611), (217, 961951), (257, 812231), (589, 354403), (1379, 151373), (1799, 116033), (3743, 55769), (4123, 50629), (4883, 42749), (6107, 34181), (7967, 26201)]