689649436

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{8191}}^1$

素因数の和:8330

約数の個数: 48

約数和(自身を含む): 1438646272

約数和(自身を除く): 748996836

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 97, 124, 194, 217, 388, 434, 679, 868, 1358, 2716, 3007, 6014, 8191, 12028, 16382, 21049, 32764, 42098, 57337, 84196, 114674, 229348, 253921, 507842, 794527, 1015684, 1589054, 1777447, 3178108, 3554894, 5561689, 7109788, 11123378, 22246756, 24630337, 49260674, 98521348, 172412359, 344824718, 689649436]

約数ペア:

[(1, 689649436), (2, 344824718), (4, 172412359), (7, 98521348), (14, 49260674), (28, 24630337), (31, 22246756), (62, 11123378), (97, 7109788), (124, 5561689), (194, 3554894), (217, 3178108), (388, 1777447), (434, 1589054), (679, 1015684), (868, 794527), (1358, 507842), (2716, 253921), (3007, 229348), (6014, 114674), (8191, 84196), (12028, 57337), (16382, 42098), (21049, 32764)]