997643185

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 1555075368

約数和(自身を除く): 557432183

約数列:

[1, 5, 7, 11, 35, 49, 55, 73, 77, 121, 245, 365, 385, 461, 511, 539, 605, 803, 847, 2305, 2555, 2695, 3227, 3577, 4015, 4235, 5071, 5621, 5929, 8833, 16135, 17885, 22589, 25355, 28105, 29645, 33653, 35497, 39347, 44165, 55781, 61831, 112945, 168265, 177485, 196735, 235571, 248479, 278905, 309155, 370183, 390467, 432817, 1177855, 1242395, 1648997, 1850915, 1952335, 2164085, 2591281, 2733269, 4072013, 8244985, 12956405, 13666345, 18138967, 20360065, 28504091, 90694835, 142520455, 199528637, 997643185]

約数ペア:

[(1, 997643185), (5, 199528637), (7, 142520455), (11, 90694835), (35, 28504091), (49, 20360065), (55, 18138967), (73, 13666345), (77, 12956405), (121, 8244985), (245, 4072013), (365, 2733269), (385, 2591281), (461, 2164085), (511, 1952335), (539, 1850915), (605, 1648997), (803, 1242395), (847, 1177855), (2305, 432817), (2555, 390467), (2695, 370183), (3227, 309155), (3577, 278905), (4015, 248479), (4235, 235571), (5071, 196735), (5621, 177485), (5929, 168265), (8833, 112945), (16135, 61831), (17885, 55781), (22589, 44165), (25355, 39347), (28105, 35497), (29645, 33653)]