6639545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 8838720

約数和(自身を除く): 2199175

約数列:

[1, 5, 11, 55, 61, 305, 671, 1979, 3355, 9895, 21769, 108845, 120719, 603595, 1327909, 6639545]

約数ペア:

[(1, 6639545), (5, 1327909), (11, 603595), (55, 120719), (61, 108845), (305, 21769), (671, 9895), (1979, 3355)]