201993878

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 319258368

約数和(自身を除く): 117264490

約数列:

[1, 2, 37, 67, 74, 131, 134, 262, 311, 622, 2479, 4847, 4958, 8777, 9694, 11507, 17554, 20837, 23014, 40741, 41674, 81482, 324749, 649498, 770969, 1507417, 1541938, 2729647, 3014834, 5459294, 100996939, 201993878]

約数ペア:

[(1, 201993878), (2, 100996939), (37, 5459294), (67, 3014834), (74, 2729647), (131, 1541938), (134, 1507417), (262, 770969), (311, 649498), (622, 324749), (2479, 81482), (4847, 41674), (4958, 40741), (8777, 23014), (9694, 20837), (11507, 17554)]