53897855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 74400768

約数和(自身を除く): 20502913

約数列:

[1, 5, 11, 23, 55, 115, 137, 253, 311, 685, 1265, 1507, 1555, 3151, 3421, 7153, 7535, 15755, 17105, 34661, 35765, 42607, 78683, 173305, 213035, 393415, 468677, 979961, 2343385, 4899805, 10779571, 53897855]

約数ペア:

[(1, 53897855), (5, 10779571), (11, 4899805), (23, 2343385), (55, 979961), (115, 468677), (137, 393415), (253, 213035), (311, 173305), (685, 78683), (1265, 42607), (1507, 35765), (1555, 34661), (3151, 17105), (3421, 15755), (7153, 7535)]