25536513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 11788287

約数列:

[1, 3, 19, 53, 57, 79, 107, 159, 237, 321, 1007, 1501, 2033, 3021, 4187, 4503, 5671, 6099, 8453, 12561, 17013, 25359, 79553, 107749, 160607, 238659, 323247, 448009, 481821, 1344027, 8512171, 25536513]

約数ペア:

[(1, 25536513), (3, 8512171), (19, 1344027), (53, 481821), (57, 448009), (79, 323247), (107, 238659), (159, 160607), (237, 107749), (321, 79553), (1007, 25359), (1501, 17013), (2033, 12561), (3021, 8453), (4187, 6099), (4503, 5671)]