201998728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 415641600

約数和(自身を除く): 213642872

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 163, 248, 263, 326, 526, 589, 652, 1052, 1178, 1304, 2104, 2356, 3097, 4712, 4997, 5053, 6194, 8153, 9994, 10106, 12388, 16306, 19988, 20212, 24776, 32612, 39976, 40424, 42869, 65224, 85738, 96007, 154907, 171476, 192014, 309814, 342952, 384028, 619628, 768056, 814511, 1239256, 1328939, 1629022, 2657878, 3258044, 5315756, 6516088, 10631512, 25249841, 50499682, 100999364, 201998728]

約数ペア:

[(1, 201998728), (2, 100999364), (4, 50499682), (8, 25249841), (19, 10631512), (31, 6516088), (38, 5315756), (62, 3258044), (76, 2657878), (124, 1629022), (152, 1328939), (163, 1239256), (248, 814511), (263, 768056), (326, 619628), (526, 384028), (589, 342952), (652, 309814), (1052, 192014), (1178, 171476), (1304, 154907), (2104, 96007), (2356, 85738), (3097, 65224), (4712, 42869), (4997, 40424), (5053, 39976), (6194, 32612), (8153, 24776), (9994, 20212), (10106, 19988), (12388, 16306)]