51405688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 107308800

約数和(自身を除く): 55903112

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 89, 124, 136, 137, 178, 248, 274, 356, 527, 548, 712, 1054, 1096, 1513, 2108, 2329, 2759, 3026, 4216, 4247, 4658, 5518, 6052, 8494, 9316, 11036, 12104, 12193, 16988, 18632, 22072, 24386, 33976, 46903, 48772, 72199, 93806, 97544, 144398, 187612, 207281, 288796, 375224, 377983, 414562, 577592, 755966, 829124, 1511932, 1658248, 3023864, 6425711, 12851422, 25702844, 51405688]

約数ペア:

[(1, 51405688), (2, 25702844), (4, 12851422), (8, 6425711), (17, 3023864), (31, 1658248), (34, 1511932), (62, 829124), (68, 755966), (89, 577592), (124, 414562), (136, 377983), (137, 375224), (178, 288796), (248, 207281), (274, 187612), (356, 144398), (527, 97544), (548, 93806), (712, 72199), (1054, 48772), (1096, 46903), (1513, 33976), (2108, 24386), (2329, 22072), (2759, 18632), (3026, 16988), (4216, 12193), (4247, 12104), (4658, 11036), (5518, 9316), (6052, 8494)]