1689545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 2540160

約数和(自身を除く): 850615

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 139, 143, 187, 221, 695, 715, 935, 1105, 1529, 1807, 2363, 2431, 7645, 9035, 11815, 12155, 19877, 25993, 30719, 99385, 129965, 153595, 337909, 1689545]

約数ペア:

[(1, 1689545), (5, 337909), (11, 153595), (13, 129965), (17, 99385), (55, 30719), (65, 25993), (85, 19877), (139, 12155), (143, 11815), (187, 9035), (221, 7645), (695, 2431), (715, 2363), (935, 1807), (1105, 1529)]