256800908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{54269}}^1$

素因数の和:54306

約数の個数: 36

約数和(自身を含む): 556158960

約数和(自身を除く): 299358052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4732, 54269, 108538, 217076, 379883, 705497, 759766, 1410994, 1519532, 2821988, 4938479, 9171461, 9876958, 18342922, 19753916, 36685844, 64200227, 128400454, 256800908]

約数ペア:

[(1, 256800908), (2, 128400454), (4, 64200227), (7, 36685844), (13, 19753916), (14, 18342922), (26, 9876958), (28, 9171461), (52, 4938479), (91, 2821988), (169, 1519532), (182, 1410994), (338, 759766), (364, 705497), (676, 379883), (1183, 217076), (2366, 108538), (4732, 54269)]