208877284

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{18329}}^1$

素因数の和:18388

約数の個数: 48

約数和(自身を含む): 468074880

約数和(自身を除く): 259197596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2849, 5698, 11396, 18329, 36658, 73316, 128303, 201619, 256606, 403238, 513212, 678173, 806476, 1356346, 1411333, 2712692, 2822666, 4747211, 5645332, 7459903, 9494422, 14919806, 18988844, 29839612, 52219321, 104438642, 208877284]

約数ペア:

[(1, 208877284), (2, 104438642), (4, 52219321), (7, 29839612), (11, 18988844), (14, 14919806), (22, 9494422), (28, 7459903), (37, 5645332), (44, 4747211), (74, 2822666), (77, 2712692), (148, 1411333), (154, 1356346), (259, 806476), (308, 678173), (407, 513212), (518, 403238), (814, 256606), (1036, 201619), (1628, 128303), (2849, 73316), (5698, 36658), (11396, 18329)]