42278761

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 53526528

約数和(自身を除く): 11247767

約数列:

[1, 7, 23, 31, 43, 161, 197, 217, 301, 713, 989, 1333, 1379, 4531, 4991, 6107, 6923, 8471, 9331, 30659, 31717, 42749, 59297, 140461, 194833, 214613, 262601, 983227, 1363831, 1838207, 6039823, 42278761]

約数ペア:

[(1, 42278761), (7, 6039823), (23, 1838207), (31, 1363831), (43, 983227), (161, 262601), (197, 214613), (217, 194833), (301, 140461), (713, 59297), (989, 42749), (1333, 31717), (1379, 30659), (4531, 9331), (4991, 8471), (6107, 6923)]