208049871

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 292377600

約数和(自身を除く): 84327729

約数列:

[1, 3, 47, 59, 89, 141, 177, 267, 281, 843, 2773, 4183, 5251, 8319, 12549, 13207, 15753, 16579, 25009, 39621, 49737, 75027, 246797, 740391, 779213, 1175423, 1475531, 2337639, 3526269, 4426593, 69349957, 208049871]

約数ペア:

[(1, 208049871), (3, 69349957), (47, 4426593), (59, 3526269), (89, 2337639), (141, 1475531), (177, 1175423), (267, 779213), (281, 740391), (843, 246797), (2773, 75027), (4183, 49737), (5251, 39621), (8319, 25009), (12549, 16579), (13207, 15753)]