221387144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1229}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 478224000

約数和(自身を除く): 256836856

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 89, 92, 178, 184, 253, 356, 506, 712, 979, 1012, 1229, 1958, 2024, 2047, 2458, 3916, 4094, 4916, 7832, 8188, 9832, 13519, 16376, 22517, 27038, 28267, 45034, 54076, 56534, 90068, 108152, 109381, 113068, 180136, 218762, 226136, 310937, 437524, 621874, 875048, 1203191, 1243748, 2406382, 2487496, 2515763, 4812764, 5031526, 9625528, 10063052, 20126104, 27673393, 55346786, 110693572, 221387144]

約数ペア:

[(1, 221387144), (2, 110693572), (4, 55346786), (8, 27673393), (11, 20126104), (22, 10063052), (23, 9625528), (44, 5031526), (46, 4812764), (88, 2515763), (89, 2487496), (92, 2406382), (178, 1243748), (184, 1203191), (253, 875048), (356, 621874), (506, 437524), (712, 310937), (979, 226136), (1012, 218762), (1229, 180136), (1958, 113068), (2024, 109381), (2047, 108152), (2458, 90068), (3916, 56534), (4094, 54076), (4916, 45034), (7832, 28267), (8188, 27038), (9832, 22517), (13519, 16376)]