389714188

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{443}}^1\times {\mathrm{761}}^1$

素因数の和:1242

約数の個数: 36

約数和(自身を含む): 727066872

約数和(自身を除く): 337352684

約数列:

[1, 2, 4, 17, 34, 68, 289, 443, 578, 761, 886, 1156, 1522, 1772, 3044, 7531, 12937, 15062, 25874, 30124, 51748, 128027, 219929, 256054, 337123, 439858, 512108, 674246, 879716, 1348492, 5731091, 11462182, 22924364, 97428547, 194857094, 389714188]

約数ペア:

[(1, 389714188), (2, 194857094), (4, 97428547), (17, 22924364), (34, 11462182), (68, 5731091), (289, 1348492), (443, 879716), (578, 674246), (761, 512108), (886, 439858), (1156, 337123), (1522, 256054), (1772, 219929), (3044, 128027), (7531, 51748), (12937, 30124), (15062, 25874)]