17891902078

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1\times {\mathrm{3557}}^1$

素因数の和:6168

約数の個数: 32

約数和(自身を含む): 28675316736

約数和(自身を除く): 10783414658

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 2543, 3557, 5086, 7114, 58489, 81811, 109349, 116978, 152951, 163622, 218698, 305902, 2515027, 3517873, 5030054, 7035746, 9045451, 18090902, 208045373, 388954393, 416090746, 777908786, 8945951039, 17891902078]

約数ペア:

[(1, 17891902078), (2, 8945951039), (23, 777908786), (43, 416090746), (46, 388954393), (86, 208045373), (989, 18090902), (1978, 9045451), (2543, 7035746), (3557, 5030054), (5086, 3517873), (7114, 2515027), (58489, 305902), (81811, 218698), (109349, 163622), (116978, 152951)]