217039952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 460541952

約数和(自身を除く): 243502000

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 103, 122, 127, 136, 206, 244, 254, 272, 412, 488, 508, 824, 976, 1016, 1037, 1648, 1751, 2032, 2074, 2159, 3502, 4148, 4318, 6283, 7004, 7747, 8296, 8636, 12566, 13081, 14008, 15494, 16592, 17272, 25132, 26162, 28016, 30988, 34544, 50264, 52324, 61976, 100528, 104648, 106811, 123952, 131699, 209296, 213622, 222377, 263398, 427244, 444754, 526796, 797941, 854488, 889508, 1053592, 1595882, 1708976, 1779016, 2107184, 3191764, 3558032, 6383528, 12767056, 13564997, 27129994, 54259988, 108519976, 217039952]

約数ペア:

[(1, 217039952), (2, 108519976), (4, 54259988), (8, 27129994), (16, 13564997), (17, 12767056), (34, 6383528), (61, 3558032), (68, 3191764), (103, 2107184), (122, 1779016), (127, 1708976), (136, 1595882), (206, 1053592), (244, 889508), (254, 854488), (272, 797941), (412, 526796), (488, 444754), (508, 427244), (824, 263398), (976, 222377), (1016, 213622), (1037, 209296), (1648, 131699), (1751, 123952), (2032, 106811), (2074, 104648), (2159, 100528), (3502, 61976), (4148, 52324), (4318, 50264), (6283, 34544), (7004, 30988), (7747, 28016), (8296, 26162), (8636, 25132), (12566, 17272), (13081, 16592), (14008, 15494)]