90239078

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 145044480

約数和(自身を除く): 54805402

約数列:

[1, 2, 31, 37, 62, 74, 139, 278, 283, 566, 1147, 2294, 4309, 5143, 8618, 8773, 10286, 10471, 17546, 20942, 39337, 78674, 159433, 318866, 324601, 649202, 1219447, 1455469, 2438894, 2910938, 45119539, 90239078]

約数ペア:

[(1, 90239078), (2, 45119539), (31, 2910938), (37, 2438894), (62, 1455469), (74, 1219447), (139, 649202), (278, 324601), (283, 318866), (566, 159433), (1147, 78674), (2294, 39337), (4309, 20942), (5143, 17546), (8618, 10471), (8773, 10286)]