238420721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 329195520

約数和(自身を除く): 90774799

約数列:

[1, 7, 11, 19, 31, 49, 77, 133, 209, 217, 341, 539, 589, 751, 931, 1463, 1519, 2387, 4123, 5257, 6479, 8261, 10241, 14269, 16709, 23281, 28861, 36799, 45353, 57827, 99883, 156959, 162967, 256091, 317471, 404789, 442339, 699181, 1098713, 1140769, 1792637, 3096373, 4865729, 7690991, 12548459, 21674611, 34060103, 238420721]

約数ペア:

[(1, 238420721), (7, 34060103), (11, 21674611), (19, 12548459), (31, 7690991), (49, 4865729), (77, 3096373), (133, 1792637), (209, 1140769), (217, 1098713), (341, 699181), (539, 442339), (589, 404789), (751, 317471), (931, 256091), (1463, 162967), (1519, 156959), (2387, 99883), (4123, 57827), (5257, 45353), (6479, 36799), (8261, 28861), (10241, 23281), (14269, 16709)]