38915261

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 54369792

約数和(自身を除く): 15454531

約数列:

[1, 7, 11, 17, 31, 49, 77, 119, 137, 187, 217, 341, 527, 539, 833, 959, 1309, 1507, 1519, 2329, 2387, 3689, 4247, 5797, 6713, 9163, 10549, 16303, 16709, 25619, 25823, 29729, 40579, 46717, 72199, 73843, 114121, 179333, 208103, 284053, 327019, 505393, 794189, 1255331, 2289133, 3537751, 5559323, 38915261]

約数ペア:

[(1, 38915261), (7, 5559323), (11, 3537751), (17, 2289133), (31, 1255331), (49, 794189), (77, 505393), (119, 327019), (137, 284053), (187, 208103), (217, 179333), (341, 114121), (527, 73843), (539, 72199), (833, 46717), (959, 40579), (1309, 29729), (1507, 25823), (1519, 25619), (2329, 16709), (2387, 16303), (3689, 10549), (4247, 9163), (5797, 6713)]