12742015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 18289152

約数和(自身を除く): 5547137

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 251, 355, 715, 781, 923, 1255, 2761, 3263, 3905, 4615, 10153, 13805, 16315, 17821, 35893, 50765, 89105, 179465, 196031, 231673, 980155, 1158365, 2548403, 12742015]

約数ペア:

[(1, 12742015), (5, 2548403), (11, 1158365), (13, 980155), (55, 231673), (65, 196031), (71, 179465), (143, 89105), (251, 50765), (355, 35893), (715, 17821), (781, 16315), (923, 13805), (1255, 10153), (2761, 4615), (3263, 3905)]