199907778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8081}}^1$

素因数の和:8143

約数の個数: 64

約数和(自身を含む): 496558080

約数和(自身を除く): 296650302

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 434, 589, 651, 798, 1178, 1302, 1767, 3534, 4123, 8081, 8246, 12369, 16162, 24243, 24738, 48486, 56567, 113134, 153539, 169701, 250511, 307078, 339402, 460617, 501022, 751533, 921234, 1074773, 1503066, 1753577, 2149546, 3224319, 3507154, 4759709, 5260731, 6448638, 9519418, 10521462, 14279127, 28558254, 33317963, 66635926, 99953889, 199907778]

約数ペア:

[(1, 199907778), (2, 99953889), (3, 66635926), (6, 33317963), (7, 28558254), (14, 14279127), (19, 10521462), (21, 9519418), (31, 6448638), (38, 5260731), (42, 4759709), (57, 3507154), (62, 3224319), (93, 2149546), (114, 1753577), (133, 1503066), (186, 1074773), (217, 921234), (266, 751533), (399, 501022), (434, 460617), (589, 339402), (651, 307078), (798, 250511), (1178, 169701), (1302, 153539), (1767, 113134), (3534, 56567), (4123, 48486), (8081, 24738), (8246, 24243), (12369, 16162)]