213471818

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{249967}}^1$

素因数の和:250037

約数の個数: 16

約数和(自身を含む): 371952384

約数和(自身を除く): 158480566

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 249967, 499934, 1749769, 3499538, 15247987, 30495974, 106735909, 213471818]

約数ペア:

[(1, 213471818), (2, 106735909), (7, 30495974), (14, 15247987), (61, 3499538), (122, 1749769), (427, 499934), (854, 249967)]