128012785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 168537600

約数和(自身を除く): 40524815

約数列:

[1, 5, 19, 37, 79, 95, 185, 395, 461, 703, 1501, 2305, 2923, 3515, 7505, 8759, 14615, 17057, 36419, 43795, 55537, 85285, 182095, 277685, 324083, 691961, 1347503, 1620415, 3459805, 6737515, 25602557, 128012785]

約数ペア:

[(1, 128012785), (5, 25602557), (19, 6737515), (37, 3459805), (79, 1620415), (95, 1347503), (185, 691961), (395, 324083), (461, 277685), (703, 182095), (1501, 85285), (2305, 55537), (2923, 43795), (3515, 36419), (7505, 17057), (8759, 14615)]