668528

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 1523712

約数和(自身を除く): 855184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 127, 188, 254, 329, 376, 508, 658, 752, 889, 1016, 1316, 1778, 2032, 2632, 3556, 5264, 5969, 7112, 11938, 14224, 23876, 41783, 47752, 83566, 95504, 167132, 334264, 668528]

約数ペア:

[(1, 668528), (2, 334264), (4, 167132), (7, 95504), (8, 83566), (14, 47752), (16, 41783), (28, 23876), (47, 14224), (56, 11938), (94, 7112), (112, 5969), (127, 5264), (188, 3556), (254, 2632), (329, 2032), (376, 1778), (508, 1316), (658, 1016), (752, 889)]