12780338

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 19535040

約数和(自身を除く): 6754702

約数列:

[1, 2, 101, 151, 202, 302, 419, 838, 15251, 30502, 42319, 63269, 84638, 126538, 6390169, 12780338]

約数ペア:

[(1, 12780338), (2, 6390169), (101, 126538), (151, 84638), (202, 63269), (302, 42319), (419, 30502), (838, 15251)]