257385438

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{83621}}^1$

素因数の和:83654

約数の個数: 40

約数和(自身を含む): 607095720

約数和(自身を除く): 349710282

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 83621, 167242, 250863, 501726, 752589, 1505178, 1588799, 2257767, 3177598, 4515534, 4766397, 6773301, 9532794, 13546602, 14299191, 28598382, 42897573, 85795146, 128692719, 257385438]

約数ペア:

[(1, 257385438), (2, 128692719), (3, 85795146), (6, 42897573), (9, 28598382), (18, 14299191), (19, 13546602), (27, 9532794), (38, 6773301), (54, 4766397), (57, 4515534), (81, 3177598), (114, 2257767), (162, 1588799), (171, 1505178), (342, 752589), (513, 501726), (1026, 250863), (1539, 167242), (3078, 83621)]