2887428908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{255887}}^1$

素因数の和:255942

約数の個数: 48

約数和(自身を含む): 6419718144

約数和(自身を除く): 3532289236

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 255887, 511774, 1023548, 1791209, 3326531, 3582418, 6653062, 7164836, 7932497, 13306124, 15864994, 23285717, 31729988, 46571434, 55527479, 93142868, 103122461, 111054958, 206244922, 222109916, 412489844, 721857227, 1443714454, 2887428908]

約数ペア:

[(1, 2887428908), (2, 1443714454), (4, 721857227), (7, 412489844), (13, 222109916), (14, 206244922), (26, 111054958), (28, 103122461), (31, 93142868), (52, 55527479), (62, 46571434), (91, 31729988), (124, 23285717), (182, 15864994), (217, 13306124), (364, 7932497), (403, 7164836), (434, 6653062), (806, 3582418), (868, 3326531), (1612, 1791209), (2821, 1023548), (5642, 511774), (11284, 255887)]