2001982985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1\times {\mathrm{647}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 2595006720

約数和(自身を除く): 593023735

約数列:

[1, 5, 17, 59, 85, 295, 617, 647, 1003, 3085, 3235, 5015, 10489, 10999, 36403, 38173, 52445, 54995, 182015, 190865, 399199, 618851, 648941, 1995995, 3094255, 3244705, 6786383, 23552741, 33931915, 117763705, 400396597, 2001982985]

約数ペア:

[(1, 2001982985), (5, 400396597), (17, 117763705), (59, 33931915), (85, 23552741), (295, 6786383), (617, 3244705), (647, 3094255), (1003, 1995995), (3085, 648941), (3235, 618851), (5015, 399199), (10489, 190865), (10999, 182015), (36403, 54995), (38173, 52445)]