287432495

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 429981696

約数和(自身を除く): 142549201

約数列:

[1, 5, 7, 23, 35, 47, 71, 107, 115, 161, 235, 329, 355, 497, 535, 749, 805, 1081, 1633, 1645, 2461, 2485, 3337, 3745, 5029, 5405, 7567, 7597, 8165, 11431, 12305, 16685, 17227, 23359, 25145, 35203, 37835, 37985, 53179, 57155, 76751, 86135, 115667, 116795, 174731, 176015, 265895, 357059, 383755, 537257, 578335, 809669, 873655, 1223117, 1785295, 2499413, 2686285, 4048345, 6115585, 8212357, 12497065, 41061785, 57486499, 287432495]

約数ペア:

[(1, 287432495), (5, 57486499), (7, 41061785), (23, 12497065), (35, 8212357), (47, 6115585), (71, 4048345), (107, 2686285), (115, 2499413), (161, 1785295), (235, 1223117), (329, 873655), (355, 809669), (497, 578335), (535, 537257), (749, 383755), (805, 357059), (1081, 265895), (1633, 176015), (1645, 174731), (2461, 116795), (2485, 115667), (3337, 86135), (3745, 76751), (5029, 57155), (5405, 53179), (7567, 37985), (7597, 37835), (8165, 35203), (11431, 25145), (12305, 23359), (16685, 17227)]