217898954

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 430805760

約数和(自身を除く): 212906806

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 61, 91, 122, 133, 182, 247, 266, 427, 494, 793, 854, 1033, 1159, 1586, 1729, 2066, 2318, 3458, 5551, 7231, 8113, 11102, 13429, 14462, 15067, 16226, 19627, 26858, 30134, 39254, 63013, 94003, 105469, 126026, 137389, 188006, 210938, 255151, 274778, 441091, 510302, 819169, 882182, 1197247, 1638338, 1786057, 2394494, 3572114, 5734183, 8380729, 11468366, 15564211, 16761458, 31128422, 108949477, 217898954]

約数ペア:

[(1, 217898954), (2, 108949477), (7, 31128422), (13, 16761458), (14, 15564211), (19, 11468366), (26, 8380729), (38, 5734183), (61, 3572114), (91, 2394494), (122, 1786057), (133, 1638338), (182, 1197247), (247, 882182), (266, 819169), (427, 510302), (494, 441091), (793, 274778), (854, 255151), (1033, 210938), (1159, 188006), (1586, 137389), (1729, 126026), (2066, 105469), (2318, 94003), (3458, 63013), (5551, 39254), (7231, 30134), (8113, 26858), (11102, 19627), (13429, 16226), (14462, 15067)]