217907536

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2131}}^1$

素因数の和:2240

約数の個数: 80

約数和(自身を含む): 532965888

約数和(自身を除く): 315058352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 83, 88, 112, 154, 166, 176, 308, 332, 581, 616, 664, 913, 1162, 1232, 1328, 1826, 2131, 2324, 3652, 4262, 4648, 6391, 7304, 8524, 9296, 12782, 14608, 14917, 17048, 23441, 25564, 29834, 34096, 46882, 51128, 59668, 93764, 102256, 119336, 164087, 176873, 187528, 238672, 328174, 353746, 375056, 656348, 707492, 1238111, 1312696, 1414984, 1945603, 2476222, 2625392, 2829968, 3891206, 4952444, 7782412, 9904888, 13619221, 15564824, 19809776, 27238442, 31129648, 54476884, 108953768, 217907536]

約数ペア:

[(1, 217907536), (2, 108953768), (4, 54476884), (7, 31129648), (8, 27238442), (11, 19809776), (14, 15564824), (16, 13619221), (22, 9904888), (28, 7782412), (44, 4952444), (56, 3891206), (77, 2829968), (83, 2625392), (88, 2476222), (112, 1945603), (154, 1414984), (166, 1312696), (176, 1238111), (308, 707492), (332, 656348), (581, 375056), (616, 353746), (664, 328174), (913, 238672), (1162, 187528), (1232, 176873), (1328, 164087), (1826, 119336), (2131, 102256), (2324, 93764), (3652, 59668), (4262, 51128), (4648, 46882), (6391, 34096), (7304, 29834), (8524, 25564), (9296, 23441), (12782, 17048), (14608, 14917)]