1394891470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19927021}}^1$

素因数の和:19927035

約数の個数: 16

約数和(自身を含む): 2869491168

約数和(自身を除く): 1474599698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 19927021, 39854042, 99635105, 139489147, 199270210, 278978294, 697445735, 1394891470]

約数ペア:

[(1, 1394891470), (2, 697445735), (5, 278978294), (7, 199270210), (10, 139489147), (14, 99635105), (35, 39854042), (70, 19927021)]