91930990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{487}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 170058240

約数和(自身を除く): 78127250

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 439, 487, 878, 974, 2195, 2435, 4390, 4870, 18877, 20941, 37754, 41882, 94385, 104705, 188770, 209410, 213793, 427586, 1068965, 2137930, 9193099, 18386198, 45965495, 91930990]

約数ペア:

[(1, 91930990), (2, 45965495), (5, 18386198), (10, 9193099), (43, 2137930), (86, 1068965), (215, 427586), (430, 213793), (439, 209410), (487, 188770), (878, 104705), (974, 94385), (2195, 41882), (2435, 37754), (4390, 20941), (4870, 18877)]