67999864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 140460480

約数和(自身を除く): 72460616

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 127, 136, 248, 254, 508, 527, 1016, 1054, 2108, 2159, 3937, 4216, 4318, 7874, 8636, 15748, 16129, 17272, 31496, 32258, 64516, 66929, 129032, 133858, 267716, 274193, 499999, 535432, 548386, 999998, 1096772, 1999996, 2193544, 3999992, 8499983, 16999966, 33999932, 67999864]

約数ペア:

[(1, 67999864), (2, 33999932), (4, 16999966), (8, 8499983), (17, 3999992), (31, 2193544), (34, 1999996), (62, 1096772), (68, 999998), (124, 548386), (127, 535432), (136, 499999), (248, 274193), (254, 267716), (508, 133858), (527, 129032), (1016, 66929), (1054, 64516), (2108, 32258), (2159, 31496), (3937, 17272), (4216, 16129), (4318, 15748), (7874, 8636)]