439396990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{618869}}^1$

素因数の和:618947

約数の個数: 16

約数和(自身を含む): 802055520

約数和(自身を除く): 362658530

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 618869, 1237738, 3094345, 6188690, 43939699, 87879398, 219698495, 439396990]

約数ペア:

[(1, 439396990), (2, 219698495), (5, 87879398), (10, 43939699), (71, 6188690), (142, 3094345), (355, 1237738), (710, 618869)]