218455856

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{172829}}^1$

素因数の和:172916

約数の個数: 20

約数和(自身を含む): 428618400

約数和(自身を除く): 210162544

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 172829, 345658, 691316, 1382632, 2765264, 13653491, 27306982, 54613964, 109227928, 218455856]

約数ペア:

[(1, 218455856), (2, 109227928), (4, 54613964), (8, 27306982), (16, 13653491), (79, 2765264), (158, 1382632), (316, 691316), (632, 345658), (1264, 172829)]