905809918

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 1480379040

約数和(自身を除く): 574569122

約数列:

[1, 2, 13, 26, 169, 211, 338, 422, 977, 1954, 2197, 2743, 4394, 5486, 12701, 25402, 35659, 71318, 165113, 206147, 330226, 412294, 463567, 927134, 2146469, 2679911, 4292938, 5359822, 34838843, 69677686, 452904959, 905809918]

約数ペア:

[(1, 905809918), (2, 452904959), (13, 69677686), (26, 34838843), (169, 5359822), (211, 4292938), (338, 2679911), (422, 2146469), (977, 927134), (1954, 463567), (2197, 412294), (2743, 330226), (4394, 206147), (5486, 165113), (12701, 71318), (25402, 35659)]