209426492738

素因数分解:

$2^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1\times {\mathrm{520291}}^1$

素因数の和:521249

約数の個数: 16

約数和(自身を含む): 315634101216

約数和(自身を除く): 106207608478

約数列:

[1, 2, 313, 626, 643, 1286, 201259, 402518, 520291, 1040582, 162851083, 325702166, 334547113, 669094226, 104713246369, 209426492738]

約数ペア:

[(1, 209426492738), (2, 104713246369), (313, 669094226), (626, 334547113), (643, 325702166), (1286, 162851083), (201259, 1040582), (402518, 520291)]