289771768

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23027}}^1$

素因数の和:23068

約数の個数: 48

約数和(自身を含む): 643172040

約数和(自身を除く): 353400272

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 3146, 6292, 12584, 23027, 46054, 92108, 184216, 253297, 299351, 506594, 598702, 1013188, 1197404, 2026376, 2394808, 2786267, 3292861, 5572534, 6585722, 11145068, 13171444, 22290136, 26342888, 36221471, 72442942, 144885884, 289771768]

約数ペア:

[(1, 289771768), (2, 144885884), (4, 72442942), (8, 36221471), (11, 26342888), (13, 22290136), (22, 13171444), (26, 11145068), (44, 6585722), (52, 5572534), (88, 3292861), (104, 2786267), (121, 2394808), (143, 2026376), (242, 1197404), (286, 1013188), (484, 598702), (572, 506594), (968, 299351), (1144, 253297), (1573, 184216), (3146, 92108), (6292, 46054), (12584, 23027)]