814382989

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{991}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 980699136

約数和(自身を除く): 166316147

約数列:

[1, 7, 31, 49, 217, 541, 991, 1519, 3787, 6937, 16771, 26509, 30721, 48559, 117397, 215047, 536131, 821779, 1505329, 3752917, 16620061, 26270419, 116340427, 814382989]

約数ペア:

[(1, 814382989), (7, 116340427), (31, 26270419), (49, 16620061), (217, 3752917), (541, 1505329), (991, 821779), (1519, 536131), (3787, 215047), (6937, 117397), (16771, 48559), (26509, 30721)]