28690070

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42821}}^1$

素因数の和:42895

約数の個数: 16

約数和(自身を含む): 52414128

約数和(自身を除く): 23724058

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 42821, 85642, 214105, 428210, 2869007, 5738014, 14345035, 28690070]

約数ペア:

[(1, 28690070), (2, 14345035), (5, 5738014), (10, 2869007), (67, 428210), (134, 214105), (335, 85642), (670, 42821)]